20987701560

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{569}}^1$

素因数の和:661

約数の個数: 768

約数和(自身を含む): 88424784000

約数和(自身を除く): 67437082440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 27, 28, 30, 34, 35, 36, 40, 41, 42, 45, 49, 51, 54, 56, 60, 63, 68, 70, 72, 82, 84, 85, 90, 98, 102, 105, 108, 119, 120, 123, 126, 135, 136, 140, 147, 153, 164, 168, 170, 180, 189, 196, 204, 205, 210, 216, 238, 245, 246, 252, 255, 270, 280, 287, 294, 306, 315, 328, 340, 357, 360, 369, 378, 392, 408, 410, 420, 441, 459, 476, 490, 492, 504, 510, 540, 569, 574, 588, 595, 612, 615, 630, 680, 697, 714, 735, 738, 756, 765, 820, 833, 840, 861, 882, 918, 945, 952, 980, 984, 1020, 1071, 1080, 1107, 1138, 1148, 1176, 1190, 1224, 1230, 1260, 1323, 1394, 1428, 1435, 1470, 1476, 1512, 1530, 1640, 1666, 1707, 1722, 1764, 1785, 1836, 1845, 1890, 1960, 2009, 2040, 2091, 2142, 2205, 2214, 2276, 2295, 2296, 2380, 2460, 2499, 2520, 2583, 2646, 2788, 2845, 2856, 2870, 2940, 2952, 3060, 3213, 3332, 3414, 3444, 3485, 3528, 3570, 3672, 3690, 3780, 3983, 4018, 4165, 4182, 4284, 4305, 4410, 4428, 4552, 4590, 4760, 4879, 4920, 4998, 5121, 5166, 5292, 5355, 5535, 5576, 5690, 5740, 5880, 6027, 6120, 6273, 6426, 6615, 6664, 6828, 6888, 6970, 7140, 7380, 7497, 7560, 7749, 7966, 8036, 8330, 8364, 8535, 8568, 8610, 8820, 8856, 9180, 9673, 9758, 9996, 10045, 10242, 10332, 10455, 10584, 10710, 11070, 11380, 11480, 11949, 12054, 12495, 12546, 12852, 12915, 13230, 13656, 13940, 14280, 14637, 14760, 14994, 15363, 15498, 15932, 16065, 16072, 16660, 16728, 17070, 17220, 17640, 18081, 18360, 18819, 19346, 19516, 19915, 19992, 20090, 20484, 20664, 20910, 21420, 22140, 22491, 22760, 23329, 23898, 24108, 24395, 24990, 25092, 25605, 25704, 25830, 26460, 27880, 27881, 29019, 29274, 29988, 30135, 30726, 30996, 31365, 31864, 32130, 33320, 34140, 34153, 34440, 35847, 36162, 37485, 37638, 38692, 38745, 39032, 39830, 40180, 40968, 41820, 42840, 43911, 44280, 44982, 46658, 47796, 48216, 48365, 48790, 49980, 50184, 51210, 51660, 52920, 54243, 55762, 58038, 58548, 59745, 59976, 60270, 61452, 61992, 62730, 64260, 67711, 68280, 68306, 69987, 71694, 72324, 73185, 74970, 75276, 76815, 77384, 77490, 79660, 80360, 83640, 83643, 87057, 87822, 89964, 90405, 93316, 94095, 95592, 96730, 97580, 99960, 102420, 102459, 103320, 107541, 108486, 111524, 112455, 116076, 116645, 117096, 119490, 120540, 122904, 125460, 128520, 131733, 135422, 136612, 139405, 139974, 143388, 144648, 145095, 146370, 149940, 150552, 153630, 154980, 159320, 163303, 167286, 170765, 174114, 175644, 179235, 179928, 180810, 186632, 188190, 193460, 195160, 203133, 204840, 204918, 209961, 215082, 216972, 219555, 223048, 224910, 232152, 233290, 238980, 241080, 250920, 250929, 261171, 263466, 270844, 271215, 273224, 278810, 279948, 286776, 290190, 292740, 299880, 307260, 307377, 309960, 326606, 334572, 338555, 341530, 348228, 349935, 351288, 358470, 361620, 376380, 386920, 396593, 406266, 409836, 418215, 419922, 430164, 433944, 435285, 439110, 449820, 466580, 473977, 477960, 489909, 501858, 512295, 522342, 526932, 537705, 541688, 542430, 557620, 559896, 580380, 585480, 609399, 614520, 614754, 629883, 653212, 658665, 669144, 677110, 683060, 696456, 699870, 716940, 723240, 752760, 752787, 793186, 812532, 816515, 819672, 836430, 839844, 860328, 870570, 878220, 899640, 922131, 933160, 947954, 979818, 1003716, 1015665, 1024590, 1044684, 1049805, 1053864, 1075410, 1084860, 1115240, 1143121, 1160760, 1189779, 1218798, 1229508, 1254645, 1259766, 1305855, 1306424, 1317330, 1354220, 1366120, 1399740, 1421931, 1433880, 1469727, 1505574, 1536885, 1586372, 1625064, 1633030, 1672860, 1679688, 1741140, 1756440, 1828197, 1844262, 1895908, 1959636, 1982965, 2007432, 2031330, 2049180, 2089368, 2099610, 2150820, 2169720, 2286242, 2369885, 2379558, 2437596, 2449545, 2459016, 2509290, 2519532, 2611710, 2634660, 2708440, 2776151, 2799480, 2843862, 2939454, 3011148, 3046995, 3073770, 3149415, 3172744, 3266060, 3345720, 3429363, 3482280, 3569337, 3656394, 3688524, 3763935, 3791816, 3919272, 3965930, 4062660, 4098360, 4199220, 4265793, 4301640, 4409181, 4572484, 4610655, 4739770, 4759116, 4875192, 4899090, 5018580, 5039064, 5223420, 5269320, 5552302, 5687724, 5715605, 5878908, 5948895, 6022296, 6093990, 6147540, 6298830, 6532120, 6858726, 7109655, 7138674, 7312788, 7348635, 7377048, 7527870, 7931860, 8125320, 8328453, 8398440, 8531586, 8818362, 9140985, 9144968, 9221310, 9479540, 9518232, 9798180, 10037160, 10288089, 10446840, 10708011, 11104604, 11375448, 11431210, 11757816, 11897790, 12187980, 12295080, 12597660, 12797379, 13717452, 13880755, 14219310, 14277348, 14625576, 14697270, 15055740, 15863720, 16656906, 17063172, 17146815, 17636724, 17846685, 18281970, 18442620, 18959080, 19433057, 19596360, 20576178, 21328965, 21416022, 22045905, 22209208, 22862420, 23795580, 24375960, 24985359, 25195320, 25594758, 27434904, 27761510, 28438620, 28554696, 29394540, 30111480, 30864267, 33313812, 34126344, 34293630, 35273448, 35693370, 36563940, 36885240, 38866114, 41152356, 41642265, 42657930, 42832044, 44091810, 45724840, 47591160, 49970718, 51189516, 51440445, 53540055, 55523020, 56877240, 58299171, 58789080, 61728534, 63986895, 66627624, 68587260, 71386740, 73127880, 74956077, 77732228, 82304712, 83284530, 85315860, 85664088, 88183620, 97165285, 99941436, 102379032, 102880890, 107080110, 111046040, 116598342, 123457068, 124926795, 127973790, 137174520, 142773480, 149912154, 154321335, 155464456, 166569060, 170631720, 174897513, 176367240, 194330570, 199882872, 205761780, 214160220, 233196684, 246914136, 249853590, 255947580, 291495855, 299824308, 308642670, 333138120, 349795026, 374780385, 388661140, 411523560, 428320440, 466393368, 499707180, 511895160, 524692539, 582991710, 599648616, 617285340, 699590052, 749560770, 777322280, 874487565, 999414360, 1049385078, 1165983420, 1234570680, 1399180104, 1499121540, 1748975130, 2098770156, 2331966840, 2623462695, 2998243080, 3497950260, 4197540312, 5246925390, 6995900520, 10493850780, 20987701560]

約数ペア:

[(1, 20987701560), (2, 10493850780), (3, 6995900520), (4, 5246925390), (5, 4197540312), (6, 3497950260), (7, 2998243080), (8, 2623462695), (9, 2331966840), (10, 2098770156), (12, 1748975130), (14, 1499121540), (15, 1399180104), (17, 1234570680), (18, 1165983420), (20, 1049385078), (21, 999414360), (24, 874487565), (27, 777322280), (28, 749560770), (30, 699590052), (34, 617285340), (35, 599648616), (36, 582991710), (40, 524692539), (41, 511895160), (42, 499707180), (45, 466393368), (49, 428320440), (51, 411523560), (54, 388661140), (56, 374780385), (60, 349795026), (63, 333138120), (68, 308642670), (70, 299824308), (72, 291495855), (82, 255947580), (84, 249853590), (85, 246914136), (90, 233196684), (98, 214160220), (102, 205761780), (105, 199882872), (108, 194330570), (119, 176367240), (120, 174897513), (123, 170631720), (126, 166569060), (135, 155464456), (136, 154321335), (140, 149912154), (147, 142773480), (153, 137174520), (164, 127973790), (168, 124926795), (170, 123457068), (180, 116598342), (189, 111046040), (196, 107080110), (204, 102880890), (205, 102379032), (210, 99941436), (216, 97165285), (238, 88183620), (245, 85664088), (246, 85315860), (252, 83284530), (255, 82304712), (270, 77732228), (280, 74956077), (287, 73127880), (294, 71386740), (306, 68587260), (315, 66627624), (328, 63986895), (340, 61728534), (357, 58789080), (360, 58299171), (369, 56877240), (378, 55523020), (392, 53540055), (408, 51440445), (410, 51189516), (420, 49970718), (441, 47591160), (459, 45724840), (476, 44091810), (490, 42832044), (492, 42657930), (504, 41642265), (510, 41152356), (540, 38866114), (569, 36885240), (574, 36563940), (588, 35693370), (595, 35273448), (612, 34293630), (615, 34126344), (630, 33313812), (680, 30864267), (697, 30111480), (714, 29394540), (735, 28554696), (738, 28438620), (756, 27761510), (765, 27434904), (820, 25594758), (833, 25195320), (840, 24985359), (861, 24375960), (882, 23795580), (918, 22862420), (945, 22209208), (952, 22045905), (980, 21416022), (984, 21328965), (1020, 20576178), (1071, 19596360), (1080, 19433057), (1107, 18959080), (1138, 18442620), (1148, 18281970), (1176, 17846685), (1190, 17636724), (1224, 17146815), (1230, 17063172), (1260, 16656906), (1323, 15863720), (1394, 15055740), (1428, 14697270), (1435, 14625576), (1470, 14277348), (1476, 14219310), (1512, 13880755), (1530, 13717452), (1640, 12797379), (1666, 12597660), (1707, 12295080), (1722, 12187980), (1764, 11897790), (1785, 11757816), (1836, 11431210), (1845, 11375448), (1890, 11104604), (1960, 10708011), (2009, 10446840), (2040, 10288089), (2091, 10037160), (2142, 9798180), (2205, 9518232), (2214, 9479540), (2276, 9221310), (2295, 9144968), (2296, 9140985), (2380, 8818362), (2460, 8531586), (2499, 8398440), (2520, 8328453), (2583, 8125320), (2646, 7931860), (2788, 7527870), (2845, 7377048), (2856, 7348635), (2870, 7312788), (2940, 7138674), (2952, 7109655), (3060, 6858726), (3213, 6532120), (3332, 6298830), (3414, 6147540), (3444, 6093990), (3485, 6022296), (3528, 5948895), (3570, 5878908), (3672, 5715605), (3690, 5687724), (3780, 5552302), (3983, 5269320), (4018, 5223420), (4165, 5039064), (4182, 5018580), (4284, 4899090), (4305, 4875192), (4410, 4759116), (4428, 4739770), (4552, 4610655), (4590, 4572484), (4760, 4409181), (4879, 4301640), (4920, 4265793), (4998, 4199220), (5121, 4098360), (5166, 4062660), (5292, 3965930), (5355, 3919272), (5535, 3791816), (5576, 3763935), (5690, 3688524), (5740, 3656394), (5880, 3569337), (6027, 3482280), (6120, 3429363), (6273, 3345720), (6426, 3266060), (6615, 3172744), (6664, 3149415), (6828, 3073770), (6888, 3046995), (6970, 3011148), (7140, 2939454), (7380, 2843862), (7497, 2799480), (7560, 2776151), (7749, 2708440), (7966, 2634660), (8036, 2611710), (8330, 2519532), (8364, 2509290), (8535, 2459016), (8568, 2449545), (8610, 2437596), (8820, 2379558), (8856, 2369885), (9180, 2286242), (9673, 2169720), (9758, 2150820), (9996, 2099610), (10045, 2089368), (10242, 2049180), (10332, 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