2439160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{211}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 5857560

約数和(自身を除く): 3418400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 211, 289, 340, 422, 578, 680, 844, 1055, 1156, 1445, 1688, 2110, 2312, 2890, 3587, 4220, 5780, 7174, 8440, 11560, 14348, 17935, 28696, 35870, 60979, 71740, 121958, 143480, 243916, 304895, 487832, 609790, 1219580, 2439160]

約数ペア:

[(1, 2439160), (2, 1219580), (4, 609790), (5, 487832), (8, 304895), (10, 243916), (17, 143480), (20, 121958), (34, 71740), (40, 60979), (68, 35870), (85, 28696), (136, 17935), (170, 14348), (211, 11560), (289, 8440), (340, 7174), (422, 5780), (578, 4220), (680, 3587), (844, 2890), (1055, 2312), (1156, 2110), (1445, 1688)]