256822416

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{77543}}^1$

素因数の和:77580

約数の個数: 60

約数和(自身を含む): 750005568

約数和(自身を除く): 493183152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 138, 144, 184, 207, 276, 368, 414, 552, 828, 1104, 1656, 3312, 77543, 155086, 232629, 310172, 465258, 620344, 697887, 930516, 1240688, 1395774, 1783489, 1861032, 2791548, 3566978, 3722064, 5350467, 5583096, 7133956, 10700934, 11166192, 14267912, 16051401, 21401868, 28535824, 32102802, 42803736, 64205604, 85607472, 128411208, 256822416]

約数ペア:

[(1, 256822416), (2, 128411208), (3, 85607472), (4, 64205604), (6, 42803736), (8, 32102802), (9, 28535824), (12, 21401868), (16, 16051401), (18, 14267912), (23, 11166192), (24, 10700934), (36, 7133956), (46, 5583096), (48, 5350467), (69, 3722064), (72, 3566978), (92, 2791548), (138, 1861032), (144, 1783489), (184, 1395774), (207, 1240688), (276, 930516), (368, 697887), (414, 620344), (552, 465258), (828, 310172), (1104, 232629), (1656, 155086), (3312, 77543)]