393291840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{821}}^1$

素因数の和:1340

約数の個数: 112

約数和(自身を含む): 1252728000

約数和(自身を除く): 859436160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 499, 821, 960, 998, 1497, 1642, 1996, 2463, 2495, 2994, 3284, 3992, 4105, 4926, 4990, 5988, 6568, 7485, 7984, 8210, 9852, 9980, 11976, 12315, 13136, 14970, 15968, 16420, 19704, 19960, 23952, 24630, 26272, 29940, 31936, 32840, 39408, 39920, 47904, 49260, 52544, 59880, 65680, 78816, 79840, 95808, 98520, 119760, 131360, 157632, 159680, 197040, 239520, 262720, 394080, 409679, 479040, 788160, 819358, 1229037, 1638716, 2048395, 2458074, 3277432, 4096790, 4916148, 6145185, 6554864, 8193580, 9832296, 12290370, 13109728, 16387160, 19664592, 24580740, 26219456, 32774320, 39329184, 49161480, 65548640, 78658368, 98322960, 131097280, 196645920, 393291840]

約数ペア:

[(1, 393291840), (2, 196645920), (3, 131097280), (4, 98322960), (5, 78658368), (6, 65548640), (8, 49161480), (10, 39329184), (12, 32774320), (15, 26219456), (16, 24580740), (20, 19664592), (24, 16387160), (30, 13109728), (32, 12290370), (40, 9832296), (48, 8193580), (60, 6554864), (64, 6145185), (80, 4916148), (96, 4096790), (120, 3277432), (160, 2458074), (192, 2048395), (240, 1638716), (320, 1229037), (480, 819358), (499, 788160), (821, 479040), (960, 409679), (998, 394080), (1497, 262720), (1642, 239520), (1996, 197040), (2463, 159680), (2495, 157632), (2994, 131360), (3284, 119760), (3992, 98520), (4105, 95808), (4926, 79840), (4990, 78816), (5988, 65680), (6568, 59880), (7485, 52544), (7984, 49260), (8210, 47904), (9852, 39920), (9980, 39408), (11976, 32840), (12315, 31936), (13136, 29940), (14970, 26272), (15968, 24630), (16420, 23952), (19704, 19960)]