643641357360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{17081777}}^1$

素因数の和:17081950

約数の個数: 80

約数和(自身を含む): 2007997167456

約数和(自身を除く): 1364355810096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 157, 240, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 2512, 3140, 3768, 4710, 6280, 7536, 9420, 12560, 18840, 37680, 17081777, 34163554, 51245331, 68327108, 85408885, 102490662, 136654216, 170817770, 204981324, 256226655, 273308432, 341635540, 409962648, 512453310, 683271080, 819925296, 1024906620, 1366542160, 2049813240, 2681838989, 4099626480, 5363677978, 8045516967, 10727355956, 13409194945, 16091033934, 21454711912, 26818389890, 32182067868, 40227584835, 42909423824, 53636779780, 64364135736, 80455169670, 107273559560, 128728271472, 160910339340, 214547119120, 321820678680, 643641357360]

約数ペア:

[(1, 643641357360), (2, 321820678680), (3, 214547119120), (4, 160910339340), (5, 128728271472), (6, 107273559560), (8, 80455169670), (10, 64364135736), (12, 53636779780), (15, 42909423824), (16, 40227584835), (20, 32182067868), (24, 26818389890), (30, 21454711912), (40, 16091033934), (48, 13409194945), (60, 10727355956), (80, 8045516967), (120, 5363677978), (157, 4099626480), (240, 2681838989), (314, 2049813240), (471, 1366542160), (628, 1024906620), (785, 819925296), (942, 683271080), (1256, 512453310), (1570, 409962648), (1884, 341635540), (2355, 273308432), (2512, 256226655), (3140, 204981324), (3768, 170817770), (4710, 136654216), (6280, 102490662), (7536, 85408885), (9420, 68327108), (12560, 51245331), (18840, 34163554), (37680, 17081777)]