68617640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2693}}^1$

素因数の和:2731

約数の個数: 96

約数和(自身を含む): 193483080

約数和(自身を除く): 124865440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 1274, 1820, 1960, 2548, 2693, 3185, 3640, 5096, 5386, 6370, 10772, 12740, 13465, 18851, 21544, 25480, 26930, 35009, 37702, 53860, 70018, 75404, 94255, 107720, 131957, 140036, 150808, 175045, 188510, 245063, 263914, 280072, 350090, 377020, 490126, 527828, 659785, 700180, 754040, 980252, 1055656, 1225315, 1319570, 1400360, 1715441, 1960504, 2450630, 2639140, 3430882, 4901260, 5278280, 6861764, 8577205, 9802520, 13723528, 17154410, 34308820, 68617640]

約数ペア:

[(1, 68617640), (2, 34308820), (4, 17154410), (5, 13723528), (7, 9802520), (8, 8577205), (10, 6861764), (13, 5278280), (14, 4901260), (20, 3430882), (26, 2639140), (28, 2450630), (35, 1960504), (40, 1715441), (49, 1400360), (52, 1319570), (56, 1225315), (65, 1055656), (70, 980252), (91, 754040), (98, 700180), (104, 659785), (130, 527828), (140, 490126), (182, 377020), (196, 350090), (245, 280072), (260, 263914), (280, 245063), (364, 188510), (392, 175045), (455, 150808), (490, 140036), (520, 131957), (637, 107720), (728, 94255), (910, 75404), (980, 70018), (1274, 53860), (1820, 37702), (1960, 35009), (2548, 26930), (2693, 25480), (3185, 21544), (3640, 18851), (5096, 13465), (5386, 12740), (6370, 10772)]