2408120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 6380640

約数和(自身を除く): 3972520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 421, 440, 520, 572, 715, 842, 1144, 1430, 1684, 2105, 2860, 3368, 4210, 4631, 5473, 5720, 8420, 9262, 10946, 16840, 18524, 21892, 23155, 27365, 37048, 43784, 46310, 54730, 60203, 92620, 109460, 120406, 185240, 218920, 240812, 301015, 481624, 602030, 1204060, 2408120]

約数ペア:

[(1, 2408120), (2, 1204060), (4, 602030), (5, 481624), (8, 301015), (10, 240812), (11, 218920), (13, 185240), (20, 120406), (22, 109460), (26, 92620), (40, 60203), (44, 54730), (52, 46310), (55, 43784), (65, 37048), (88, 27365), (104, 23155), (110, 21892), (130, 18524), (143, 16840), (220, 10946), (260, 9262), (286, 8420), (421, 5720), (440, 5473), (520, 4631), (572, 4210), (715, 3368), (842, 2860), (1144, 2105), (1430, 1684)]