71891820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:75

約数の個数: 576

約数和(自身を含む): 321753600

約数和(自身を除く): 249861780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 18, 19, 20, 21, 22, 26, 27, 28, 30, 33, 35, 36, 38, 39, 42, 44, 45, 49, 52, 54, 55, 57, 60, 63, 65, 66, 70, 76, 77, 78, 84, 90, 91, 95, 98, 99, 105, 108, 110, 114, 117, 126, 130, 132, 133, 135, 140, 143, 147, 154, 156, 165, 171, 180, 182, 189, 190, 195, 196, 198, 209, 210, 220, 228, 231, 234, 245, 247, 252, 260, 266, 270, 273, 285, 286, 294, 297, 308, 315, 330, 342, 351, 364, 378, 380, 385, 390, 396, 399, 418, 420, 429, 441, 455, 462, 468, 490, 494, 495, 513, 532, 539, 540, 546, 570, 572, 585, 588, 594, 627, 630, 637, 660, 665, 684, 693, 702, 715, 735, 741, 756, 770, 780, 798, 819, 836, 855, 858, 882, 910, 924, 931, 945, 980, 988, 990, 1001, 1026, 1045, 1078, 1092, 1140, 1155, 1170, 1188, 1197, 1235, 1254, 1260, 1274, 1287, 1323, 1330, 1365, 1386, 1404, 1430, 1463, 1470, 1482, 1485, 1540, 1596, 1617, 1638, 1710, 1716, 1729, 1755, 1764, 1820, 1862, 1881, 1890, 1911, 1980, 1995, 2002, 2052, 2079, 2090, 2145, 2156, 2205, 2223, 2310, 2340, 2394, 2457, 2470, 2508, 2548, 2565, 2574, 2646, 2660, 2695, 2717, 2730, 2772, 2793, 2860, 2926, 2940, 2964, 2970, 3003, 3135, 3185, 3234, 3276, 3420, 3458, 3465, 3510, 3591, 3705, 3724, 3762, 3780, 3822, 3861, 3990, 4004, 4095, 4158, 4180, 4290, 4389, 4410, 4446, 4620, 4655, 4788, 4851, 4914, 4940, 5005, 5130, 5148, 5187, 5292, 5390, 5434, 5460, 5586, 5643, 5733, 5852, 5940, 5985, 6006, 6270, 6370, 6435, 6468, 6615, 6669, 6916, 6930, 7007, 7020, 7182, 7315, 7410, 7524, 7644, 7722, 7980, 8085, 8151, 8190, 8316, 8379, 8580, 8645, 8778, 8820, 8892, 9009, 9310, 9405, 9555, 9702, 9828, 10010, 10241, 10260, 10374, 10395, 10780, 10868, 11115, 11172, 11286, 11466, 11970, 12012, 12103, 12285, 12540, 12740, 12870, 13167, 13230, 13338, 13585, 13860, 13965, 14014, 14364, 14553, 14630, 14820, 15015, 15444, 15561, 16170, 16302, 16380, 16758, 17199, 17290, 17556, 17955, 18018, 18620, 18810, 19019, 19110, 19305, 19404, 20020, 20482, 20748, 20790, 21021, 21945, 22230, 22572, 22932, 23940, 24206, 24255, 24453, 24570, 25137, 25740, 25935, 26334, 26460, 26676, 27027, 27170, 27930, 28028, 28215, 28665, 29106, 29260, 30030, 30723, 31122, 32340, 32604, 33345, 33516, 34398, 34580, 35035, 35910, 36036, 36309, 37620, 38038, 38220, 38610, 39501, 40755, 40964, 41580, 41895, 42042, 43890, 44460, 45045, 46683, 48412, 48510, 48906, 49140, 50274, 51205, 51870, 52668, 54054, 54340, 55860, 56430, 57057, 57330, 58212, 60060, 60515, 61446, 62244, 63063, 65835, 66690, 68796, 70070, 71820, 72618, 72765, 73359, 76076, 77220, 77805, 79002, 81510, 83790, 84084, 85995, 87780, 90090, 92169, 93366, 95095, 97020, 97812, 100548, 102410, 103740, 105105, 108108, 108927, 112860, 114114, 114660, 121030, 122265, 122892, 125685, 126126, 131670, 133133, 133380, 135135, 140140, 145236, 145530, 146718, 153615, 155610, 158004, 163020, 167580, 171171, 171990, 180180, 181545, 184338, 186732, 189189, 190190, 197505, 204820, 210210, 217854, 228228, 233415, 242060, 244530, 251370, 252252, 263340, 266266, 270270, 276507, 285285, 291060, 293436, 307230, 311220, 315315, 326781, 342342, 343980, 363090, 366795, 368676, 378378, 380380, 395010, 399399, 420420, 435708, 460845, 466830, 489060, 502740, 513513, 532532, 540540, 544635, 553014, 570570, 614460, 630630, 653562, 665665, 684684, 726180, 733590, 756756, 790020, 798798, 855855, 921690, 933660, 945945, 1027026, 1089270, 1106028, 1141140, 1198197, 1261260, 1307124, 1331330, 1382535, 1467180, 1597596, 1633905, 1711710, 1843380, 1891890, 1996995, 2054052, 2178540, 2396394, 2567565, 2662660, 2765070, 3267810, 3423420, 3594591, 3783780, 3993990, 4792788, 5135130, 5530140, 5990985, 6535620, 7189182, 7987980, 10270260, 11981970, 14378364, 17972955, 23963940, 35945910, 71891820]

約数ペア:

[(1, 71891820), (2, 35945910), (3, 23963940), (4, 17972955), (5, 14378364), (6, 11981970), (7, 10270260), (9, 7987980), (10, 7189182), (11, 6535620), (12, 5990985), (13, 5530140), (14, 5135130), (15, 4792788), (18, 3993990), (19, 3783780), (20, 3594591), (21, 3423420), (22, 3267810), (26, 2765070), (27, 2662660), (28, 2567565), (30, 2396394), (33, 2178540), (35, 2054052), (36, 1996995), (38, 1891890), (39, 1843380), (42, 1711710), (44, 1633905), (45, 1597596), (49, 1467180), (52, 1382535), (54, 1331330), (55, 1307124), (57, 1261260), (60, 1198197), (63, 1141140), (65, 1106028), (66, 1089270), (70, 1027026), (76, 945945), (77, 933660), (78, 921690), (84, 855855), (90, 798798), (91, 790020), (95, 756756), (98, 733590), (99, 726180), (105, 684684), (108, 665665), (110, 653562), (114, 630630), (117, 614460), (126, 570570), (130, 553014), (132, 544635), (133, 540540), (135, 532532), (140, 513513), (143, 502740), (147, 489060), (154, 466830), (156, 460845), (165, 435708), (171, 420420), (180, 399399), (182, 395010), (189, 380380), (190, 378378), (195, 368676), (196, 366795), (198, 363090), (209, 343980), (210, 342342), (220, 326781), (228, 315315), (231, 311220), (234, 307230), (245, 293436), (247, 291060), (252, 285285), (260, 276507), (266, 270270), (270, 266266), (273, 263340), (285, 252252), (286, 251370), (294, 244530), (297, 242060), (308, 233415), (315, 228228), (330, 217854), (342, 210210), (351, 204820), (364, 197505), (378, 190190), (380, 189189), (385, 186732), (390, 184338), (396, 181545), (399, 180180), (418, 171990), (420, 171171), (429, 167580), (441, 163020), (455, 158004), (462, 155610), (468, 153615), (490, 146718), (494, 145530), (495, 145236), (513, 140140), (532, 135135), (539, 133380), (540, 133133), (546, 131670), (570, 126126), (572, 125685), (585, 122892), (588, 122265), (594, 121030), (627, 114660), (630, 114114), (637, 112860), (660, 108927), (665, 108108), (684, 105105), (693, 103740), (702, 102410), (715, 100548), (735, 97812), (741, 97020), (756, 95095), (770, 93366), (780, 92169), (798, 90090), (819, 87780), (836, 85995), (855, 84084), (858, 83790), (882, 81510), (910, 79002), (924, 77805), (931, 77220), (945, 76076), (980, 73359), (988, 72765), (990, 72618), (1001, 71820), (1026, 70070), (1045, 68796), (1078, 66690), (1092, 65835), (1140, 63063), (1155, 62244), (1170, 61446), (1188, 60515), (1197, 60060), (1235, 58212), (1254, 57330), (1260, 57057), (1274, 56430), (1287, 55860), (1323, 54340), (1330, 54054), (1365, 52668), (1386, 51870), (1404, 51205), (1430, 50274), (1463, 49140), (1470, 48906), (1482, 48510), (1485, 48412), (1540, 46683), (1596, 45045), (1617, 44460), (1638, 43890), (1710, 42042), (1716, 41895), (1729, 41580), (1755, 40964), (1764, 40755), (1820, 39501), (1862, 38610), (1881, 38220), (1890, 38038), (1911, 37620), (1980, 36309), (1995, 36036), (2002, 35910), (2052, 35035), (2079, 34580), (2090, 34398), (2145, 33516), (2156, 33345), (2205, 32604), (2223, 32340), (2310, 31122), (2340, 30723), (2394, 30030), (2457, 29260), (2470, 29106), (2508, 28665), (2548, 28215), (2565, 28028), (2574, 27930), (2646, 27170), (2660, 27027), (2695, 26676), (2717, 26460), (2730, 26334), (2772, 25935), (2793, 25740), (2860, 25137), (2926, 24570), (2940, 24453), (2964, 24255), (2970, 24206), (3003, 23940), (3135, 22932), (3185, 22572), (3234, 22230), (3276, 21945), (3420, 21021), (3458, 20790), (3465, 20748), (3510, 20482), (3591, 20020), (3705, 19404), (3724, 19305), (3762, 19110), (3780, 19019), (3822, 18810), (3861, 18620), (3990, 18018), (4004, 17955), (4095, 17556), (4158, 17290), (4180, 17199), (4290, 16758), (4389, 16380), (4410, 16302), (4446, 16170), (4620, 15561), (4655, 15444), (4788, 15015), (4851, 14820), (4914, 14630), (4940, 14553), (5005, 14364), (5130, 14014), (5148, 13965), (5187, 13860), (5292, 13585), (5390, 13338), (5434, 13230), (5460, 13167), (5586, 12870), (5643, 12740), (5733, 12540), (5852, 12285), (5940, 12103), (5985, 12012), (6006, 11970), (6270, 11466), (6370, 11286), (6435, 11172), (6468, 11115), (6615, 10868), (6669, 10780), (6916, 10395), (6930, 10374), (7007, 10260), (7020, 10241), (7182, 10010), (7315, 9828), (7410, 9702), (7524, 9555), (7644, 9405), (7722, 9310), (7980, 9009), (8085, 8892), (8151, 8820), (8190, 8778), (8316, 8645), (8379, 8580)]