21424534680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{12781}}^1$

素因数の和:13085

約数の個数: 128

約数和(自身を含む): 65617675200

約数和(自身を除く): 44193140520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 229, 244, 305, 366, 458, 488, 610, 687, 732, 915, 916, 1145, 1220, 1374, 1464, 1830, 1832, 2290, 2440, 2748, 3435, 3660, 4580, 5496, 6870, 7320, 9160, 12781, 13740, 13969, 25562, 27480, 27938, 38343, 41907, 51124, 55876, 63905, 69845, 76686, 83814, 102248, 111752, 127810, 139690, 153372, 167628, 191715, 209535, 255620, 279380, 306744, 335256, 383430, 419070, 511240, 558760, 766860, 779641, 838140, 1533720, 1559282, 1676280, 2338923, 2926849, 3118564, 3898205, 4677846, 5853698, 6237128, 7796410, 8780547, 9355692, 11694615, 11707396, 14634245, 15592820, 17561094, 18711384, 23389230, 23414792, 29268490, 31185640, 35122188, 43902735, 46778460, 58536980, 70244376, 87805470, 93556920, 117073960, 175610940, 178537789, 351221880, 357075578, 535613367, 714151156, 892688945, 1071226734, 1428302312, 1785377890, 2142453468, 2678066835, 3570755780, 4284906936, 5356133670, 7141511560, 10712267340, 21424534680]

約数ペア:

[(1, 21424534680), (2, 10712267340), (3, 7141511560), (4, 5356133670), (5, 4284906936), (6, 3570755780), (8, 2678066835), (10, 2142453468), (12, 1785377890), (15, 1428302312), (20, 1071226734), (24, 892688945), (30, 714151156), (40, 535613367), (60, 357075578), (61, 351221880), (120, 178537789), (122, 175610940), (183, 117073960), (229, 93556920), (244, 87805470), (305, 70244376), (366, 58536980), (458, 46778460), (488, 43902735), (610, 35122188), (687, 31185640), (732, 29268490), (915, 23414792), (916, 23389230), (1145, 18711384), (1220, 17561094), (1374, 15592820), (1464, 14634245), (1830, 11707396), (1832, 11694615), (2290, 9355692), (2440, 8780547), (2748, 7796410), (3435, 6237128), (3660, 5853698), (4580, 4677846), (5496, 3898205), (6870, 3118564), (7320, 2926849), (9160, 2338923), (12781, 1676280), (13740, 1559282), (13969, 1533720), (25562, 838140), (27480, 779641), (27938, 766860), (38343, 558760), (41907, 511240), (51124, 419070), (55876, 383430), (63905, 335256), (69845, 306744), (76686, 279380), (83814, 255620), (102248, 209535), (111752, 191715), (127810, 167628), (139690, 153372)]