256517424

素因数分解:

$2^4\times 3^2\times {\mathrm{79}}^1\times {\mathrm{22549}}^1$

素因数の和:22642

約数の個数: 60

約数和(自身を含む): 727012000

約数和(自身を除く): 470494576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 79, 144, 158, 237, 316, 474, 632, 711, 948, 1264, 1422, 1896, 2844, 3792, 5688, 11376, 22549, 45098, 67647, 90196, 135294, 180392, 202941, 270588, 360784, 405882, 541176, 811764, 1082352, 1623528, 1781371, 3247056, 3562742, 5344113, 7125484, 10688226, 14250968, 16032339, 21376452, 28501936, 32064678, 42752904, 64129356, 85505808, 128258712, 256517424]

約数ペア:

[(1, 256517424), (2, 128258712), (3, 85505808), (4, 64129356), (6, 42752904), (8, 32064678), (9, 28501936), (12, 21376452), (16, 16032339), (18, 14250968), (24, 10688226), (36, 7125484), (48, 5344113), (72, 3562742), (79, 3247056), (144, 1781371), (158, 1623528), (237, 1082352), (316, 811764), (474, 541176), (632, 405882), (711, 360784), (948, 270588), (1264, 202941), (1422, 180392), (1896, 135294), (2844, 90196), (3792, 67647), (5688, 45098), (11376, 22549)]