163540

素因数分解:

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

素因数の和:76

約数の個数: 48

約数和(自身を含む): 402192

約数和(自身を除く): 238652

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 37, 52, 65, 68, 74, 85, 130, 148, 170, 185, 221, 260, 340, 370, 442, 481, 629, 740, 884, 962, 1105, 1258, 1924, 2210, 2405, 2516, 3145, 4420, 4810, 6290, 8177, 9620, 12580, 16354, 32708, 40885, 81770, 163540]

約数ペア:

[(1, 163540), (2, 81770), (4, 40885), (5, 32708), (10, 16354), (13, 12580), (17, 9620), (20, 8177), (26, 6290), (34, 4810), (37, 4420), (52, 3145), (65, 2516), (68, 2405), (74, 2210), (85, 1924), (130, 1258), (148, 1105), (170, 962), (185, 884), (221, 740), (260, 629), (340, 481), (370, 442)]