20784904560

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6277}}^1$

素因数の和:6382

約数の個数: 400

約数和(自身を含む): 83645259456

約数和(自身を除く): 62860354896

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 73, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 146, 162, 168, 180, 189, 210, 216, 219, 240, 252, 270, 280, 292, 315, 324, 336, 360, 365, 378, 405, 420, 432, 438, 504, 511, 540, 560, 567, 584, 630, 648, 657, 720, 730, 756, 810, 840, 876, 945, 1008, 1022, 1080, 1095, 1134, 1168, 1260, 1296, 1314, 1460, 1512, 1533, 1620, 1680, 1752, 1890, 1971, 2044, 2160, 2190, 2268, 2520, 2555, 2628, 2835, 2920, 3024, 3066, 3240, 3285, 3504, 3780, 3942, 4088, 4380, 4536, 4599, 5040, 5110, 5256, 5670, 5840, 5913, 6132, 6277, 6480, 6570, 7560, 7665, 7884, 8176, 8760, 9072, 9198, 9855, 10220, 10512, 11340, 11826, 12264, 12554, 13140, 13797, 15120, 15330, 15768, 17520, 18396, 18831, 19710, 20440, 22680, 22995, 23652, 24528, 25108, 26280, 27594, 29565, 30660, 31385, 31536, 36792, 37662, 39420, 40880, 41391, 43939, 45360, 45990, 47304, 50216, 52560, 55188, 56493, 59130, 61320, 62770, 68985, 73584, 75324, 78840, 82782, 87878, 91980, 94155, 94608, 100432, 110376, 112986, 118260, 122640, 125540, 131817, 137970, 150648, 157680, 165564, 169479, 175756, 183960, 188310, 206955, 219695, 220752, 225972, 236520, 251080, 263634, 275940, 282465, 301296, 331128, 338958, 351512, 367920, 376620, 395451, 413910, 439390, 451944, 458221, 473040, 502160, 508437, 527268, 551880, 564930, 659085, 662256, 677916, 703024, 753240, 790902, 827820, 847395, 878780, 903888, 916442, 1016874, 1054536, 1103760, 1129860, 1186353, 1318170, 1355832, 1374663, 1506480, 1581804, 1655640, 1694790, 1757560, 1832884, 1977255, 2033748, 2109072, 2259720, 2291105, 2372706, 2542185, 2636340, 2711664, 2749326, 3163608, 3207547, 3311280, 3389580, 3515120, 3559059, 3665768, 3954510, 4067496, 4123989, 4519440, 4582210, 4745412, 5084370, 5272680, 5498652, 5931765, 6327216, 6415094, 6779160, 6873315, 7118118, 7331536, 7909020, 8134992, 8247978, 9164420, 9490824, 9622641, 10168740, 10545360, 10997304, 11863530, 12371967, 12830188, 13558320, 13746630, 14236236, 15818040, 16037735, 16495956, 17795295, 18328840, 18981648, 19245282, 20337480, 20619945, 21994608, 23727060, 24743934, 25660376, 27493260, 28472472, 28867923, 31636080, 32075470, 32991912, 35590590, 36657680, 37115901, 38490564, 40674960, 41239890, 47454120, 48113205, 49487868, 51320752, 54986520, 56944944, 57735846, 61859835, 64150940, 65983824, 71181180, 74231802, 76981128, 82479780, 86603769, 94908240, 96226410, 98975736, 109973040, 115471692, 123719670, 128301880, 142362360, 144339615, 148463604, 153962256, 164959560, 173207538, 185579505, 192452820, 197951472, 230943384, 247439340, 256603760, 259811307, 284724720, 288679230, 296927208, 329919120, 346415076, 371159010, 384905640, 433018845, 461886768, 494878680, 519622614, 577358460, 593854416, 692830152, 742318020, 769811280, 866037690, 989757360, 1039245228, 1154716920, 1299056535, 1385660304, 1484636040, 1732075380, 2078490456, 2309433840, 2598113070, 2969272080, 3464150760, 4156980912, 5196226140, 6928301520, 10392452280, 20784904560]

約数ペア:

[(1, 20784904560), (2, 10392452280), (3, 6928301520), (4, 5196226140), (5, 4156980912), (6, 3464150760), (7, 2969272080), (8, 2598113070), (9, 2309433840), (10, 2078490456), (12, 1732075380), (14, 1484636040), (15, 1385660304), (16, 1299056535), (18, 1154716920), (20, 1039245228), (21, 989757360), (24, 866037690), (27, 769811280), (28, 742318020), (30, 692830152), (35, 593854416), (36, 577358460), (40, 519622614), (42, 494878680), (45, 461886768), (48, 433018845), (54, 384905640), (56, 371159010), (60, 346415076), (63, 329919120), (70, 296927208), (72, 288679230), (73, 284724720), (80, 259811307), (81, 256603760), (84, 247439340), (90, 230943384), (105, 197951472), (108, 192452820), (112, 185579505), (120, 173207538), (126, 164959560), (135, 153962256), (140, 148463604), (144, 144339615), (146, 142362360), (162, 128301880), (168, 123719670), (180, 115471692), (189, 109973040), (210, 98975736), (216, 96226410), (219, 94908240), (240, 86603769), (252, 82479780), (270, 76981128), (280, 74231802), (292, 71181180), (315, 65983824), (324, 64150940), (336, 61859835), (360, 57735846), (365, 56944944), (378, 54986520), (405, 51320752), (420, 49487868), (432, 48113205), (438, 47454120), (504, 41239890), (511, 40674960), (540, 38490564), (560, 37115901), (567, 36657680), (584, 35590590), (630, 32991912), (648, 32075470), (657, 31636080), (720, 28867923), (730, 28472472), (756, 27493260), (810, 25660376), (840, 24743934), (876, 23727060), (945, 21994608), (1008, 20619945), (1022, 20337480), (1080, 19245282), (1095, 18981648), (1134, 18328840), (1168, 17795295), (1260, 16495956), (1296, 16037735), (1314, 15818040), (1460, 14236236), (1512, 13746630), (1533, 13558320), (1620, 12830188), (1680, 12371967), (1752, 11863530), (1890, 10997304), (1971, 10545360), (2044, 10168740), (2160, 9622641), (2190, 9490824), (2268, 9164420), (2520, 8247978), (2555, 8134992), (2628, 7909020), (2835, 7331536), (2920, 7118118), (3024, 6873315), (3066, 6779160), (3240, 6415094), (3285, 6327216), (3504, 5931765), (3780, 5498652), (3942, 5272680), (4088, 5084370), (4380, 4745412), (4536, 4582210), (4599, 4519440), (5040, 4123989), (5110, 4067496), (5256, 3954510), (5670, 3665768), (5840, 3559059), (5913, 3515120), (6132, 3389580), (6277, 3311280), (6480, 3207547), (6570, 3163608), (7560, 2749326), (7665, 2711664), (7884, 2636340), (8176, 2542185), (8760, 2372706), (9072, 2291105), (9198, 2259720), (9855, 2109072), (10220, 2033748), (10512, 1977255), (11340, 1832884), (11826, 1757560), (12264, 1694790), (12554, 1655640), (13140, 1581804), (13797, 1506480), (15120, 1374663), (15330, 1355832), (15768, 1318170), (17520, 1186353), (18396, 1129860), (18831, 1103760), (19710, 1054536), (20440, 1016874), (22680, 916442), (22995, 903888), (23652, 878780), (24528, 847395), (25108, 827820), (26280, 790902), (27594, 753240), (29565, 703024), (30660, 677916), (31385, 662256), (31536, 659085), (36792, 564930), (37662, 551880), (39420, 527268), (40880, 508437), (41391, 502160), (43939, 473040), (45360, 458221), (45990, 451944), (47304, 439390), (50216, 413910), (52560, 395451), (55188, 376620), (56493, 367920), (59130, 351512), (61320, 338958), (62770, 331128), (68985, 301296), (73584, 282465), (75324, 275940), (78840, 263634), (82782, 251080), (87878, 236520), (91980, 225972), (94155, 220752), (94608, 219695), (100432, 206955), (110376, 188310), (112986, 183960), (118260, 175756), (122640, 169479), (125540, 165564), (131817, 157680), (137970, 150648)]