15657850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:164

約数の個数: 72

約数和(自身を含む): 33697620

約数和(自身を除く): 18039770

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 109, 130, 169, 170, 218, 221, 325, 338, 425, 442, 545, 650, 845, 850, 1090, 1105, 1417, 1690, 1853, 2210, 2725, 2834, 2873, 3706, 4225, 5450, 5525, 5746, 7085, 8450, 9265, 11050, 14170, 14365, 18421, 18530, 24089, 28730, 35425, 36842, 46325, 48178, 70850, 71825, 92105, 92650, 120445, 143650, 184210, 240890, 313157, 460525, 602225, 626314, 921050, 1204450, 1565785, 3131570, 7828925, 15657850]

約数ペア:

[(1, 15657850), (2, 7828925), (5, 3131570), (10, 1565785), (13, 1204450), (17, 921050), (25, 626314), (26, 602225), (34, 460525), (50, 313157), (65, 240890), (85, 184210), (109, 143650), (130, 120445), (169, 92650), (170, 92105), (218, 71825), (221, 70850), (325, 48178), (338, 46325), (425, 36842), (442, 35425), (545, 28730), (650, 24089), (845, 18530), (850, 18421), (1090, 14365), (1105, 14170), (1417, 11050), (1690, 9265), (1853, 8450), (2210, 7085), (2725, 5746), (2834, 5525), (2873, 5450), (3706, 4225)]