15243420

素因数分解:

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

素因数の和:1314

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 27657060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 239, 478, 717, 956, 1063, 1195, 1434, 2126, 2390, 2868, 3189, 3585, 4252, 4780, 5315, 6378, 7170, 10630, 12756, 14340, 15945, 21260, 31890, 63780, 254057, 508114, 762171, 1016228, 1270285, 1524342, 2540570, 3048684, 3810855, 5081140, 7621710, 15243420]

約数ペア:

[(1, 15243420), (2, 7621710), (3, 5081140), (4, 3810855), (5, 3048684), (6, 2540570), (10, 1524342), (12, 1270285), (15, 1016228), (20, 762171), (30, 508114), (60, 254057), (239, 63780), (478, 31890), (717, 21260), (956, 15945), (1063, 14340), (1195, 12756), (1434, 10630), (2126, 7170), (2390, 6378), (2868, 5315), (3189, 4780), (3585, 4252)]