15120400

素因数分解:

$2^4\times 5^2\times {\mathrm{103}}^1\times {\mathrm{367}}^1$

素因数の和:488

約数の個数: 60

約数和(自身を含む): 36779392

約数和(自身を除く): 21658992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 103, 200, 206, 367, 400, 412, 515, 734, 824, 1030, 1468, 1648, 1835, 2060, 2575, 2936, 3670, 4120, 5150, 5872, 7340, 8240, 9175, 10300, 14680, 18350, 20600, 29360, 36700, 37801, 41200, 73400, 75602, 146800, 151204, 189005, 302408, 378010, 604816, 756020, 945025, 1512040, 1890050, 3024080, 3780100, 7560200, 15120400]

約数ペア:

[(1, 15120400), (2, 7560200), (4, 3780100), (5, 3024080), (8, 1890050), (10, 1512040), (16, 945025), (20, 756020), (25, 604816), (40, 378010), (50, 302408), (80, 189005), (100, 151204), (103, 146800), (200, 75602), (206, 73400), (367, 41200), (400, 37801), (412, 36700), (515, 29360), (734, 20600), (824, 18350), (1030, 14680), (1468, 10300), (1648, 9175), (1835, 8240), (2060, 7340), (2575, 5872), (2936, 5150), (3670, 4120)]