15680120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23059}}^1$

素因数の和:23087

約数の個数: 32

約数和(自身を含む): 37357200

約数和(自身を除く): 21677080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 23059, 46118, 92236, 115295, 184472, 230590, 392003, 461180, 784006, 922360, 1568012, 1960015, 3136024, 3920030, 7840060, 15680120]

約数ペア:

[(1, 15680120), (2, 7840060), (4, 3920030), (5, 3136024), (8, 1960015), (10, 1568012), (17, 922360), (20, 784006), (34, 461180), (40, 392003), (68, 230590), (85, 184472), (136, 115295), (170, 92236), (340, 46118), (680, 23059)]