57163960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1873}}^1$

素因数の和:2000

約数の個数: 64

約数和(自身を含む): 148420800

約数和(自身を除く): 91256840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1526, 1873, 2180, 3052, 3746, 3815, 4360, 6104, 7492, 7630, 9365, 13111, 14984, 15260, 18730, 26222, 30520, 37460, 52444, 65555, 74920, 104888, 131110, 204157, 262220, 408314, 524440, 816628, 1020785, 1429099, 1633256, 2041570, 2858198, 4083140, 5716396, 7145495, 8166280, 11432792, 14290990, 28581980, 57163960]

約数ペア:

[(1, 57163960), (2, 28581980), (4, 14290990), (5, 11432792), (7, 8166280), (8, 7145495), (10, 5716396), (14, 4083140), (20, 2858198), (28, 2041570), (35, 1633256), (40, 1429099), (56, 1020785), (70, 816628), (109, 524440), (140, 408314), (218, 262220), (280, 204157), (436, 131110), (545, 104888), (763, 74920), (872, 65555), (1090, 52444), (1526, 37460), (1873, 30520), (2180, 26222), (3052, 18730), (3746, 15260), (3815, 14984), (4360, 13111), (6104, 9365), (7492, 7630)]