15128589620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1\times {\mathrm{47939}}^1$

素因数の和:48488

約数の個数: 48

約数和(自身を含む): 32859993600

約数和(自身を除く): 17731403980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 509, 620, 1018, 2036, 2545, 5090, 10180, 15779, 31558, 47939, 63116, 78895, 95878, 157790, 191756, 239695, 315580, 479390, 958780, 1486109, 2972218, 5944436, 7430545, 14861090, 24400951, 29722180, 48801902, 97603804, 122004755, 244009510, 488019020, 756429481, 1512858962, 3025717924, 3782147405, 7564294810, 15128589620]

約数ペア:

[(1, 15128589620), (2, 7564294810), (4, 3782147405), (5, 3025717924), (10, 1512858962), (20, 756429481), (31, 488019020), (62, 244009510), (124, 122004755), (155, 97603804), (310, 48801902), (509, 29722180), (620, 24400951), (1018, 14861090), (2036, 7430545), (2545, 5944436), (5090, 2972218), (10180, 1486109), (15779, 958780), (31558, 479390), (47939, 315580), (63116, 239695), (78895, 191756), (95878, 157790)]