68375580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1789}}^1$

素因数の和:1828

約数の個数: 144

約数和(自身を含む): 239974560

約数和(自身を除く): 171598980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1789, 1820, 1911, 2548, 2730, 2940, 3185, 3578, 3822, 5367, 5460, 6370, 7156, 7644, 8945, 9555, 10734, 12523, 12740, 17890, 19110, 21468, 23257, 25046, 26835, 35780, 37569, 38220, 46514, 50092, 53670, 62615, 69771, 75138, 87661, 93028, 107340, 116285, 125230, 139542, 150276, 162799, 175322, 187845, 232570, 250460, 262983, 279084, 325598, 348855, 350644, 375690, 438305, 465140, 488397, 525966, 651196, 697710, 751380, 813995, 876610, 976794, 1051932, 1139593, 1314915, 1395420, 1627990, 1753220, 1953588, 2279186, 2441985, 2629830, 3255980, 3418779, 4558372, 4883970, 5259660, 5697965, 6837558, 9767940, 11395930, 13675116, 17093895, 22791860, 34187790, 68375580]

約数ペア:

[(1, 68375580), (2, 34187790), (3, 22791860), (4, 17093895), (5, 13675116), (6, 11395930), (7, 9767940), (10, 6837558), (12, 5697965), (13, 5259660), (14, 4883970), (15, 4558372), (20, 3418779), (21, 3255980), (26, 2629830), (28, 2441985), (30, 2279186), (35, 1953588), (39, 1753220), (42, 1627990), (49, 1395420), (52, 1314915), (60, 1139593), (65, 1051932), (70, 976794), (78, 876610), (84, 813995), (91, 751380), (98, 697710), (105, 651196), (130, 525966), (140, 488397), (147, 465140), (156, 438305), (182, 375690), (195, 350644), (196, 348855), (210, 325598), (245, 279084), (260, 262983), (273, 250460), (294, 232570), (364, 187845), (390, 175322), (420, 162799), (455, 150276), (490, 139542), (546, 125230), (588, 116285), (637, 107340), (735, 93028), (780, 87661), (910, 75138), (980, 69771), (1092, 62615), (1274, 53670), (1365, 50092), (1470, 46514), (1789, 38220), (1820, 37569), (1911, 35780), (2548, 26835), (2730, 25046), (2940, 23257), (3185, 21468), (3578, 19110), (3822, 17890), (5367, 12740), (5460, 12523), (6370, 10734), (7156, 9555), (7644, 8945)]