81565488

素因数分解:

$2^4\times 3^3\times {\mathrm{349}}^1\times {\mathrm{541}}^1$

素因数の和:907

約数の個数: 80

約数和(自身を含む): 235228000

約数和(自身を除く): 153662512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 349, 432, 541, 698, 1047, 1082, 1396, 1623, 2094, 2164, 2792, 3141, 3246, 4188, 4328, 4869, 5584, 6282, 6492, 8376, 8656, 9423, 9738, 12564, 12984, 14607, 16752, 18846, 19476, 25128, 25968, 29214, 37692, 38952, 50256, 58428, 75384, 77904, 116856, 150768, 188809, 233712, 377618, 566427, 755236, 1132854, 1510472, 1699281, 2265708, 3020944, 3398562, 4531416, 5097843, 6797124, 9062832, 10195686, 13594248, 20391372, 27188496, 40782744, 81565488]

約数ペア:

[(1, 81565488), (2, 40782744), (3, 27188496), (4, 20391372), (6, 13594248), (8, 10195686), (9, 9062832), (12, 6797124), (16, 5097843), (18, 4531416), (24, 3398562), (27, 3020944), (36, 2265708), (48, 1699281), (54, 1510472), (72, 1132854), (108, 755236), (144, 566427), (216, 377618), (349, 233712), (432, 188809), (541, 150768), (698, 116856), (1047, 77904), (1082, 75384), (1396, 58428), (1623, 50256), (2094, 38952), (2164, 37692), (2792, 29214), (3141, 25968), (3246, 25128), (4188, 19476), (4328, 18846), (4869, 16752), (5584, 14607), (6282, 12984), (6492, 12564), (8376, 9738), (8656, 9423)]