31488870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:746

約数の個数: 96

約数和(自身を含む): 90878976

約数和(自身を除く): 59390106

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 49, 62, 70, 93, 98, 105, 147, 155, 186, 210, 217, 245, 294, 310, 434, 465, 490, 651, 691, 735, 930, 1085, 1302, 1382, 1470, 1519, 2073, 2170, 3038, 3255, 3455, 4146, 4557, 4837, 6510, 6910, 7595, 9114, 9674, 10365, 14511, 15190, 20730, 21421, 22785, 24185, 29022, 33859, 42842, 45570, 48370, 64263, 67718, 72555, 101577, 107105, 128526, 145110, 149947, 169295, 203154, 214210, 299894, 321315, 338590, 449841, 507885, 642630, 749735, 899682, 1015770, 1049629, 1499470, 2099258, 2249205, 3148887, 4498410, 5248145, 6297774, 10496290, 15744435, 31488870]

約数ペア:

[(1, 31488870), (2, 15744435), (3, 10496290), (5, 6297774), (6, 5248145), (7, 4498410), (10, 3148887), (14, 2249205), (15, 2099258), (21, 1499470), (30, 1049629), (31, 1015770), (35, 899682), (42, 749735), (49, 642630), (62, 507885), (70, 449841), (93, 338590), (98, 321315), (105, 299894), (147, 214210), (155, 203154), (186, 169295), (210, 149947), (217, 145110), (245, 128526), (294, 107105), (310, 101577), (434, 72555), (465, 67718), (490, 64263), (651, 48370), (691, 45570), (735, 42842), (930, 33859), (1085, 29022), (1302, 24185), (1382, 22785), (1470, 21421), (1519, 20730), (2073, 15190), (2170, 14511), (3038, 10365), (3255, 9674), (3455, 9114), (4146, 7595), (4557, 6910), (4837, 6510)]