2153220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2111}}^1$

素因数の和:2140

約数の個数: 48

約数和(自身を含む): 6386688

約数和(自身を除く): 4233468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 2111, 4222, 6333, 8444, 10555, 12666, 21110, 25332, 31665, 35887, 42220, 63330, 71774, 107661, 126660, 143548, 179435, 215322, 358870, 430644, 538305, 717740, 1076610, 2153220]

約数ペア:

[(1, 2153220), (2, 1076610), (3, 717740), (4, 538305), (5, 430644), (6, 358870), (10, 215322), (12, 179435), (15, 143548), (17, 126660), (20, 107661), (30, 71774), (34, 63330), (51, 42220), (60, 35887), (68, 31665), (85, 25332), (102, 21110), (170, 12666), (204, 10555), (255, 8444), (340, 6333), (510, 4222), (1020, 2111)]