123549680

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 295159680

約数和(自身を除く): 171610000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 113, 158, 173, 226, 316, 346, 395, 452, 565, 632, 692, 790, 865, 904, 1130, 1264, 1384, 1580, 1730, 1808, 2260, 2768, 3160, 3460, 4520, 6320, 6920, 8927, 9040, 13667, 13840, 17854, 19549, 27334, 35708, 39098, 44635, 54668, 68335, 71416, 78196, 89270, 97745, 109336, 136670, 142832, 156392, 178540, 195490, 218672, 273340, 312784, 357080, 390980, 546680, 714160, 781960, 1093360, 1544371, 1563920, 3088742, 6177484, 7721855, 12354968, 15443710, 24709936, 30887420, 61774840, 123549680]

約数ペア:

[(1, 123549680), (2, 61774840), (4, 30887420), (5, 24709936), (8, 15443710), (10, 12354968), (16, 7721855), (20, 6177484), (40, 3088742), (79, 1563920), (80, 1544371), (113, 1093360), (158, 781960), (173, 714160), (226, 546680), (316, 390980), (346, 357080), (395, 312784), (452, 273340), (565, 218672), (632, 195490), (692, 178540), (790, 156392), (865, 142832), (904, 136670), (1130, 109336), (1264, 97745), (1384, 89270), (1580, 78196), (1730, 71416), (1808, 68335), (2260, 54668), (2768, 44635), (3160, 39098), (3460, 35708), (4520, 27334), (6320, 19549), (6920, 17854), (8927, 13840), (9040, 13667)]