1557777360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{6490739}}^1$

素因数の和:6490755

約数の個数: 40

約数和(自身を含む): 4829110560

約数和(自身を除く): 3271333200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 6490739, 12981478, 19472217, 25962956, 32453695, 38944434, 51925912, 64907390, 77888868, 97361085, 103851824, 129814780, 155777736, 194722170, 259629560, 311555472, 389444340, 519259120, 778888680, 1557777360]

約数ペア:

[(1, 1557777360), (2, 778888680), (3, 519259120), (4, 389444340), (5, 311555472), (6, 259629560), (8, 194722170), (10, 155777736), (12, 129814780), (15, 103851824), (16, 97361085), (20, 77888868), (24, 64907390), (30, 51925912), (40, 38944434), (48, 32453695), (60, 25962956), (80, 19472217), (120, 12981478), (240, 6490739)]