81257232

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{941}}^1$

素因数の和:1216

約数の個数: 80

約数和(自身を含む): 241091712

約数和(自身を除く): 159834480

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 257, 336, 514, 771, 941, 1028, 1542, 1799, 1882, 2056, 2823, 3084, 3598, 3764, 4112, 5397, 5646, 6168, 6587, 7196, 7528, 10794, 11292, 12336, 13174, 14392, 15056, 19761, 21588, 22584, 26348, 28784, 39522, 43176, 45168, 52696, 79044, 86352, 105392, 158088, 241837, 316176, 483674, 725511, 967348, 1451022, 1692859, 1934696, 2902044, 3385718, 3869392, 5078577, 5804088, 6771436, 10157154, 11608176, 13542872, 20314308, 27085744, 40628616, 81257232]

約数ペア:

[(1, 81257232), (2, 40628616), (3, 27085744), (4, 20314308), (6, 13542872), (7, 11608176), (8, 10157154), (12, 6771436), (14, 5804088), (16, 5078577), (21, 3869392), (24, 3385718), (28, 2902044), (42, 1934696), (48, 1692859), (56, 1451022), (84, 967348), (112, 725511), (168, 483674), (257, 316176), (336, 241837), (514, 158088), (771, 105392), (941, 86352), (1028, 79044), (1542, 52696), (1799, 45168), (1882, 43176), (2056, 39522), (2823, 28784), (3084, 26348), (3598, 22584), (3764, 21588), (4112, 19761), (5397, 15056), (5646, 14392), (6168, 13174), (6587, 12336), (7196, 11292), (7528, 10794)]