157749280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{509}}^1$

素因数の和:686

約数の個数: 96

約数和(自身を含む): 404838000

約数和(自身を除く): 247088720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 149, 160, 208, 260, 298, 416, 509, 520, 596, 745, 1018, 1040, 1192, 1490, 1937, 2036, 2080, 2384, 2545, 2980, 3874, 4072, 4768, 5090, 5960, 6617, 7748, 8144, 9685, 10180, 11920, 13234, 15496, 16288, 19370, 20360, 23840, 26468, 30992, 33085, 38740, 40720, 52936, 61984, 66170, 75841, 77480, 81440, 105872, 132340, 151682, 154960, 211744, 264680, 303364, 309920, 379205, 529360, 606728, 758410, 985933, 1058720, 1213456, 1516820, 1971866, 2426912, 3033640, 3943732, 4929665, 6067280, 7887464, 9859330, 12134560, 15774928, 19718660, 31549856, 39437320, 78874640, 157749280]

約数ペア:

[(1, 157749280), (2, 78874640), (4, 39437320), (5, 31549856), (8, 19718660), (10, 15774928), (13, 12134560), (16, 9859330), (20, 7887464), (26, 6067280), (32, 4929665), (40, 3943732), (52, 3033640), (65, 2426912), (80, 1971866), (104, 1516820), (130, 1213456), (149, 1058720), (160, 985933), (208, 758410), (260, 606728), (298, 529360), (416, 379205), (509, 309920), (520, 303364), (596, 264680), (745, 211744), (1018, 154960), (1040, 151682), (1192, 132340), (1490, 105872), (1937, 81440), (2036, 77480), (2080, 75841), (2384, 66170), (2545, 61984), (2980, 52936), (3874, 40720), (4072, 38740), (4768, 33085), (5090, 30992), (5960, 26468), (6617, 23840), (7748, 20360), (8144, 19370), (9685, 16288), (10180, 15496), (11920, 13234)]