31015480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2683}}^1$

素因数の和:2728

約数の個数: 48

約数和(自身を含む): 74158920

約数和(自身を除く): 43143440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2683, 2890, 5366, 5780, 10732, 11560, 13415, 21464, 26830, 45611, 53660, 91222, 107320, 182444, 228055, 364888, 456110, 775387, 912220, 1550774, 1824440, 3101548, 3876935, 6203096, 7753870, 15507740, 31015480]

約数ペア:

[(1, 31015480), (2, 15507740), (4, 7753870), (5, 6203096), (8, 3876935), (10, 3101548), (17, 1824440), (20, 1550774), (34, 912220), (40, 775387), (68, 456110), (85, 364888), (136, 228055), (170, 182444), (289, 107320), (340, 91222), (578, 53660), (680, 45611), (1156, 26830), (1445, 21464), (2312, 13415), (2683, 11560), (2890, 10732), (5366, 5780)]