30852440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 72576000

約数和(自身を除く): 41723560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 139, 155, 179, 248, 278, 310, 358, 556, 620, 695, 716, 895, 1112, 1240, 1390, 1432, 1790, 2780, 3580, 4309, 5549, 5560, 7160, 8618, 11098, 17236, 21545, 22196, 24881, 27745, 34472, 43090, 44392, 49762, 55490, 86180, 99524, 110980, 124405, 172360, 199048, 221960, 248810, 497620, 771311, 995240, 1542622, 3085244, 3856555, 6170488, 7713110, 15426220, 30852440]

約数ペア:

[(1, 30852440), (2, 15426220), (4, 7713110), (5, 6170488), (8, 3856555), (10, 3085244), (20, 1542622), (31, 995240), (40, 771311), (62, 497620), (124, 248810), (139, 221960), (155, 199048), (179, 172360), (248, 124405), (278, 110980), (310, 99524), (358, 86180), (556, 55490), (620, 49762), (695, 44392), (716, 43090), (895, 34472), (1112, 27745), (1240, 24881), (1390, 22196), (1432, 21545), (1790, 17236), (2780, 11098), (3580, 8618), (4309, 7160), (5549, 5560)]