61704880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:362

約数の個数: 80

約数和(自身を含む): 149990400

約数和(自身を除く): 88285520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 139, 155, 179, 248, 278, 310, 358, 496, 556, 620, 695, 716, 895, 1112, 1240, 1390, 1432, 1790, 2224, 2480, 2780, 2864, 3580, 4309, 5549, 5560, 7160, 8618, 11098, 11120, 14320, 17236, 21545, 22196, 24881, 27745, 34472, 43090, 44392, 49762, 55490, 68944, 86180, 88784, 99524, 110980, 124405, 172360, 199048, 221960, 248810, 344720, 398096, 443920, 497620, 771311, 995240, 1542622, 1990480, 3085244, 3856555, 6170488, 7713110, 12340976, 15426220, 30852440, 61704880]

約数ペア:

[(1, 61704880), (2, 30852440), (4, 15426220), (5, 12340976), (8, 7713110), (10, 6170488), (16, 3856555), (20, 3085244), (31, 1990480), (40, 1542622), (62, 995240), (80, 771311), (124, 497620), (139, 443920), (155, 398096), (179, 344720), (248, 248810), (278, 221960), (310, 199048), (358, 172360), (496, 124405), (556, 110980), (620, 99524), (695, 88784), (716, 86180), (895, 68944), (1112, 55490), (1240, 49762), (1390, 44392), (1432, 43090), (1790, 34472), (2224, 27745), (2480, 24881), (2780, 22196), (2864, 21545), (3580, 17236), (4309, 14320), (5549, 11120), (5560, 11098), (7160, 8618)]