256367640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{27043}}^1$

素因数の和:27136

約数の個数: 64

約数和(自身を含む): 778867200

約数和(自身を除く): 522499560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 27043, 54086, 81129, 108172, 135215, 162258, 216344, 270430, 324516, 405645, 540860, 649032, 811290, 1081720, 1622580, 2136397, 3245160, 4272794, 6409191, 8545588, 10681985, 12818382, 17091176, 21363970, 25636764, 32045955, 42727940, 51273528, 64091910, 85455880, 128183820, 256367640]

約数ペア:

[(1, 256367640), (2, 128183820), (3, 85455880), (4, 64091910), (5, 51273528), (6, 42727940), (8, 32045955), (10, 25636764), (12, 21363970), (15, 17091176), (20, 12818382), (24, 10681985), (30, 8545588), (40, 6409191), (60, 4272794), (79, 3245160), (120, 2136397), (158, 1622580), (237, 1081720), (316, 811290), (395, 649032), (474, 540860), (632, 405645), (790, 324516), (948, 270430), (1185, 216344), (1580, 162258), (1896, 135215), (2370, 108172), (3160, 81129), (4740, 54086), (9480, 27043)]