15525820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 33784128

約数和(自身を除く): 18258308

約数列:

[1, 2, 4, 5, 10, 20, 53, 97, 106, 151, 194, 212, 265, 302, 388, 485, 530, 604, 755, 970, 1060, 1510, 1940, 3020, 5141, 8003, 10282, 14647, 16006, 20564, 25705, 29294, 32012, 40015, 51410, 58588, 73235, 80030, 102820, 146470, 160060, 292940, 776291, 1552582, 3105164, 3881455, 7762910, 15525820]

約数ペア:

[(1, 15525820), (2, 7762910), (4, 3881455), (5, 3105164), (10, 1552582), (20, 776291), (53, 292940), (97, 160060), (106, 146470), (151, 102820), (194, 80030), (212, 73235), (265, 58588), (302, 51410), (388, 40015), (485, 32012), (530, 29294), (604, 25705), (755, 20564), (970, 16006), (1060, 14647), (1510, 10282), (1940, 8003), (3020, 5141)]