15316520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 36115200

約数和(自身を除く): 20798680

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 79, 131, 148, 158, 185, 262, 296, 316, 370, 395, 524, 632, 655, 740, 790, 1048, 1310, 1480, 1580, 2620, 2923, 3160, 4847, 5240, 5846, 9694, 10349, 11692, 14615, 19388, 20698, 23384, 24235, 29230, 38776, 41396, 48470, 51745, 58460, 82792, 96940, 103490, 116920, 193880, 206980, 382913, 413960, 765826, 1531652, 1914565, 3063304, 3829130, 7658260, 15316520]

約数ペア:

[(1, 15316520), (2, 7658260), (4, 3829130), (5, 3063304), (8, 1914565), (10, 1531652), (20, 765826), (37, 413960), (40, 382913), (74, 206980), (79, 193880), (131, 116920), (148, 103490), (158, 96940), (185, 82792), (262, 58460), (296, 51745), (316, 48470), (370, 41396), (395, 38776), (524, 29230), (632, 24235), (655, 23384), (740, 20698), (790, 19388), (1048, 14615), (1310, 11692), (1480, 10349), (1580, 9694), (2620, 5846), (2923, 5240), (3160, 4847)]