15426220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 33868800

約数和(自身を除く): 18442580

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 179, 278, 310, 358, 556, 620, 695, 716, 895, 1390, 1790, 2780, 3580, 4309, 5549, 8618, 11098, 17236, 21545, 22196, 24881, 27745, 43090, 49762, 55490, 86180, 99524, 110980, 124405, 248810, 497620, 771311, 1542622, 3085244, 3856555, 7713110, 15426220]

約数ペア:

[(1, 15426220), (2, 7713110), (4, 3856555), (5, 3085244), (10, 1542622), (20, 771311), (31, 497620), (62, 248810), (124, 124405), (139, 110980), (155, 99524), (179, 86180), (278, 55490), (310, 49762), (358, 43090), (556, 27745), (620, 24881), (695, 22196), (716, 21545), (895, 17236), (1390, 11098), (1790, 8618), (2780, 5549), (3580, 4309)]