31397640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15391}}^1$

素因数の和:15422

約数の個数: 64

約数和(自身を含む): 99740160

約数和(自身を除く): 68342520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 15391, 30782, 46173, 61564, 76955, 92346, 123128, 153910, 184692, 230865, 261647, 307820, 369384, 461730, 523294, 615640, 784941, 923460, 1046588, 1308235, 1569882, 1846920, 2093176, 2616470, 3139764, 3924705, 5232940, 6279528, 7849410, 10465880, 15698820, 31397640]

約数ペア:

[(1, 31397640), (2, 15698820), (3, 10465880), (4, 7849410), (5, 6279528), (6, 5232940), (8, 3924705), (10, 3139764), (12, 2616470), (15, 2093176), (17, 1846920), (20, 1569882), (24, 1308235), (30, 1046588), (34, 923460), (40, 784941), (51, 615640), (60, 523294), (68, 461730), (85, 369384), (102, 307820), (120, 261647), (136, 230865), (170, 184692), (204, 153910), (255, 123128), (340, 92346), (408, 76955), (510, 61564), (680, 46173), (1020, 30782), (2040, 15391)]