30486840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1063}}^1$

素因数の和:1316

約数の個数: 64

約数和(自身を含む): 91929600

約数和(自身を除く): 61442760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239, 478, 717, 956, 1063, 1195, 1434, 1912, 2126, 2390, 2868, 3189, 3585, 4252, 4780, 5315, 5736, 6378, 7170, 8504, 9560, 10630, 12756, 14340, 15945, 21260, 25512, 28680, 31890, 42520, 63780, 127560, 254057, 508114, 762171, 1016228, 1270285, 1524342, 2032456, 2540570, 3048684, 3810855, 5081140, 6097368, 7621710, 10162280, 15243420, 30486840]

約数ペア:

[(1, 30486840), (2, 15243420), (3, 10162280), (4, 7621710), (5, 6097368), (6, 5081140), (8, 3810855), (10, 3048684), (12, 2540570), (15, 2032456), (20, 1524342), (24, 1270285), (30, 1016228), (40, 762171), (60, 508114), (120, 254057), (239, 127560), (478, 63780), (717, 42520), (956, 31890), (1063, 28680), (1195, 25512), (1434, 21260), (1912, 15945), (2126, 14340), (2390, 12756), (2868, 10630), (3189, 9560), (3585, 8504), (4252, 7170), (4780, 6378), (5315, 5736)]