15678320180

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1\times {\mathrm{22777}}^1$

素因数の和:23184

約数の個数: 48

約数和(自身を含む): 33307631616

約数和(自身を除く): 17629311436

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 271, 508, 542, 635, 1084, 1270, 1355, 2540, 2710, 5420, 22777, 34417, 45554, 68834, 91108, 113885, 137668, 172085, 227770, 344170, 455540, 688340, 2892679, 5785358, 6172567, 11570716, 12345134, 14463395, 24690268, 28926790, 30862835, 57853580, 61725670, 123451340, 783916009, 1567832018, 3135664036, 3919580045, 7839160090, 15678320180]

約数ペア:

[(1, 15678320180), (2, 7839160090), (4, 3919580045), (5, 3135664036), (10, 1567832018), (20, 783916009), (127, 123451340), (254, 61725670), (271, 57853580), (508, 30862835), (542, 28926790), (635, 24690268), (1084, 14463395), (1270, 12345134), (1355, 11570716), (2540, 6172567), (2710, 5785358), (5420, 2892679), (22777, 688340), (34417, 455540), (45554, 344170), (68834, 227770), (91108, 172085), (113885, 137668)]