1815552880

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{5441}}^1$

素因数の和:5594

約数の個数: 80

約数和(自身を含む): 4364658144

約数和(自身を除く): 2549105264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 97, 172, 194, 215, 344, 388, 430, 485, 688, 776, 860, 970, 1552, 1720, 1940, 3440, 3880, 4171, 5441, 7760, 8342, 10882, 16684, 20855, 21764, 27205, 33368, 41710, 43528, 54410, 66736, 83420, 87056, 108820, 166840, 217640, 233963, 333680, 435280, 467926, 527777, 935852, 1055554, 1169815, 1871704, 2111108, 2339630, 2638885, 3743408, 4222216, 4679260, 5277770, 8444432, 9358520, 10555540, 18717040, 21111080, 22694411, 42222160, 45388822, 90777644, 113472055, 181555288, 226944110, 363110576, 453888220, 907776440, 1815552880]

約数ペア:

[(1, 1815552880), (2, 907776440), (4, 453888220), (5, 363110576), (8, 226944110), (10, 181555288), (16, 113472055), (20, 90777644), (40, 45388822), (43, 42222160), (80, 22694411), (86, 21111080), (97, 18717040), (172, 10555540), (194, 9358520), (215, 8444432), (344, 5277770), (388, 4679260), (430, 4222216), (485, 3743408), (688, 2638885), (776, 2339630), (860, 2111108), (970, 1871704), (1552, 1169815), (1720, 1055554), (1940, 935852), (3440, 527777), (3880, 467926), (4171, 435280), (5441, 333680), (7760, 233963), (8342, 217640), (10882, 166840), (16684, 108820), (20855, 87056), (21764, 83420), (27205, 66736), (33368, 54410), (41710, 43528)]