2884640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1$

素因数の和:186

約数の個数: 72

約数和(自身を含む): 7541100

約数和(自身を除く): 4656460

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 149, 160, 176, 220, 242, 298, 352, 440, 484, 596, 605, 745, 880, 968, 1192, 1210, 1490, 1639, 1760, 1936, 2384, 2420, 2980, 3278, 3872, 4768, 4840, 5960, 6556, 8195, 9680, 11920, 13112, 16390, 18029, 19360, 23840, 26224, 32780, 36058, 52448, 65560, 72116, 90145, 131120, 144232, 180290, 262240, 288464, 360580, 576928, 721160, 1442320, 2884640]

約数ペア:

[(1, 2884640), (2, 1442320), (4, 721160), (5, 576928), (8, 360580), (10, 288464), (11, 262240), (16, 180290), (20, 144232), (22, 131120), (32, 90145), (40, 72116), (44, 65560), (55, 52448), (80, 36058), (88, 32780), (110, 26224), (121, 23840), (149, 19360), (160, 18029), (176, 16390), (220, 13112), (242, 11920), (298, 9680), (352, 8195), (440, 6556), (484, 5960), (596, 4840), (605, 4768), (745, 3872), (880, 3278), (968, 2980), (1192, 2420), (1210, 2384), (1490, 1936), (1639, 1760)]