68981640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6317}}^1$

素因数の和:6351

約数の個数: 128

約数和(自身を含む): 254741760

約数和(自身を除く): 185760120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 6317, 10920, 12634, 18951, 25268, 31585, 37902, 44219, 50536, 63170, 75804, 82121, 88438, 94755, 126340, 132657, 151608, 164242, 176876, 189510, 221095, 246363, 252680, 265314, 328484, 353752, 379020, 410605, 442190, 492726, 530628, 574847, 656968, 663285, 758040, 821210, 884380, 985452, 1061256, 1149694, 1231815, 1326570, 1642420, 1724541, 1768760, 1970904, 2299388, 2463630, 2653140, 2874235, 3284840, 3449082, 4598776, 4927260, 5306280, 5748470, 6898164, 8622705, 9854520, 11496940, 13796328, 17245410, 22993880, 34490820, 68981640]

約数ペア:

[(1, 68981640), (2, 34490820), (3, 22993880), (4, 17245410), (5, 13796328), (6, 11496940), (7, 9854520), (8, 8622705), (10, 6898164), (12, 5748470), (13, 5306280), (14, 4927260), (15, 4598776), (20, 3449082), (21, 3284840), (24, 2874235), (26, 2653140), (28, 2463630), (30, 2299388), (35, 1970904), (39, 1768760), (40, 1724541), (42, 1642420), (52, 1326570), (56, 1231815), (60, 1149694), (65, 1061256), (70, 985452), (78, 884380), (84, 821210), (91, 758040), (104, 663285), (105, 656968), (120, 574847), (130, 530628), (140, 492726), (156, 442190), (168, 410605), (182, 379020), (195, 353752), (210, 328484), (260, 265314), (273, 252680), (280, 246363), (312, 221095), (364, 189510), (390, 176876), (420, 164242), (455, 151608), (520, 132657), (546, 126340), (728, 94755), (780, 88438), (840, 82121), (910, 75804), (1092, 63170), (1365, 50536), (1560, 44219), (1820, 37902), (2184, 31585), (2730, 25268), (3640, 18951), (5460, 12634), (6317, 10920)]