15520740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1861}}^1$

素因数の和:2012

約数の個数: 48

約数和(自身を含む): 43794240

約数和(自身を除く): 28273500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 1861, 2085, 2780, 3722, 4170, 5583, 7444, 8340, 9305, 11166, 18610, 22332, 27915, 37220, 55830, 111660, 258679, 517358, 776037, 1034716, 1293395, 1552074, 2586790, 3104148, 3880185, 5173580, 7760370, 15520740]

約数ペア:

[(1, 15520740), (2, 7760370), (3, 5173580), (4, 3880185), (5, 3104148), (6, 2586790), (10, 1552074), (12, 1293395), (15, 1034716), (20, 776037), (30, 517358), (60, 258679), (139, 111660), (278, 55830), (417, 37220), (556, 27915), (695, 22332), (834, 18610), (1390, 11166), (1668, 9305), (1861, 8340), (2085, 7444), (2780, 5583), (3722, 4170)]