123409760

素因数分解:

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

素因数の和:364

約数の個数: 96

約数和(自身を含む): 304819200

約数和(自身を除く): 181409440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 139, 155, 160, 179, 248, 278, 310, 358, 496, 556, 620, 695, 716, 895, 992, 1112, 1240, 1390, 1432, 1790, 2224, 2480, 2780, 2864, 3580, 4309, 4448, 4960, 5549, 5560, 5728, 7160, 8618, 11098, 11120, 14320, 17236, 21545, 22196, 22240, 24881, 27745, 28640, 34472, 43090, 44392, 49762, 55490, 68944, 86180, 88784, 99524, 110980, 124405, 137888, 172360, 177568, 199048, 221960, 248810, 344720, 398096, 443920, 497620, 689440, 771311, 796192, 887840, 995240, 1542622, 1990480, 3085244, 3856555, 3980960, 6170488, 7713110, 12340976, 15426220, 24681952, 30852440, 61704880, 123409760]

約数ペア:

[(1, 123409760), (2, 61704880), (4, 30852440), (5, 24681952), (8, 15426220), (10, 12340976), (16, 7713110), (20, 6170488), (31, 3980960), (32, 3856555), (40, 3085244), (62, 1990480), (80, 1542622), (124, 995240), (139, 887840), (155, 796192), (160, 771311), (179, 689440), (248, 497620), (278, 443920), (310, 398096), (358, 344720), (496, 248810), (556, 221960), (620, 199048), (695, 177568), (716, 172360), (895, 137888), (992, 124405), (1112, 110980), (1240, 99524), (1390, 88784), (1432, 86180), (1790, 68944), (2224, 55490), (2480, 49762), (2780, 44392), (2864, 43090), (3580, 34472), (4309, 28640), (4448, 27745), (4960, 24881), (5549, 22240), (5560, 22196), (5728, 21545), (7160, 17236), (8618, 14320), (11098, 11120)]