181650320

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{367}}^1$

素因数の和:672

約数の個数: 80

約数和(自身を含む): 443543040

約数和(自身を除く): 261892720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 269, 367, 368, 460, 538, 734, 920, 1076, 1345, 1468, 1835, 1840, 2152, 2690, 2936, 3670, 4304, 5380, 5872, 6187, 7340, 8441, 10760, 12374, 14680, 16882, 21520, 24748, 29360, 30935, 33764, 42205, 49496, 61870, 67528, 84410, 98723, 98992, 123740, 135056, 168820, 197446, 247480, 337640, 394892, 493615, 494960, 675280, 789784, 987230, 1579568, 1974460, 2270629, 3948920, 4541258, 7897840, 9082516, 11353145, 18165032, 22706290, 36330064, 45412580, 90825160, 181650320]

約数ペア:

[(1, 181650320), (2, 90825160), (4, 45412580), (5, 36330064), (8, 22706290), (10, 18165032), (16, 11353145), (20, 9082516), (23, 7897840), (40, 4541258), (46, 3948920), (80, 2270629), (92, 1974460), (115, 1579568), (184, 987230), (230, 789784), (269, 675280), (367, 494960), (368, 493615), (460, 394892), (538, 337640), (734, 247480), (920, 197446), (1076, 168820), (1345, 135056), (1468, 123740), (1835, 98992), (1840, 98723), (2152, 84410), (2690, 67528), (2936, 61870), (3670, 49496), (4304, 42205), (5380, 33764), (5872, 30935), (6187, 29360), (7340, 24748), (8441, 21520), (10760, 16882), (12374, 14680)]