327080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:78

約数の個数: 64

約数和(自身を含む): 861840

約数和(自身を除く): 534760

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 37, 40, 52, 65, 68, 74, 85, 104, 130, 136, 148, 170, 185, 221, 260, 296, 340, 370, 442, 481, 520, 629, 680, 740, 884, 962, 1105, 1258, 1480, 1768, 1924, 2210, 2405, 2516, 3145, 3848, 4420, 4810, 5032, 6290, 8177, 8840, 9620, 12580, 16354, 19240, 25160, 32708, 40885, 65416, 81770, 163540, 327080]

約数ペア:

[(1, 327080), (2, 163540), (4, 81770), (5, 65416), (8, 40885), (10, 32708), (13, 25160), (17, 19240), (20, 16354), (26, 12580), (34, 9620), (37, 8840), (40, 8177), (52, 6290), (65, 5032), (68, 4810), (74, 4420), (85, 3848), (104, 3145), (130, 2516), (136, 2405), (148, 2210), (170, 1924), (185, 1768), (221, 1480), (260, 1258), (296, 1105), (340, 962), (370, 884), (442, 740), (481, 680), (520, 629)]