15615860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3533}}^1$

素因数の和:3572

約数の個数: 48

約数和(自身を含む): 37403856

約数和(自身を除く): 21787996

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 3533, 4420, 7066, 14132, 17665, 35330, 45929, 60061, 70660, 91858, 120122, 183716, 229645, 240244, 300305, 459290, 600610, 780793, 918580, 1201220, 1561586, 3123172, 3903965, 7807930, 15615860]

約数ペア:

[(1, 15615860), (2, 7807930), (4, 3903965), (5, 3123172), (10, 1561586), (13, 1201220), (17, 918580), (20, 780793), (26, 600610), (34, 459290), (52, 300305), (65, 240244), (68, 229645), (85, 183716), (130, 120122), (170, 91858), (221, 70660), (260, 60061), (340, 45929), (442, 35330), (884, 17665), (1105, 14132), (2210, 7066), (3533, 4420)]