81493280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2437}}^1$

素因数の和:2482

約数の個数: 96

約数和(自身を含む): 221175360

約数和(自身を除く): 139682080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 352, 380, 418, 440, 608, 760, 836, 880, 1045, 1520, 1672, 1760, 2090, 2437, 3040, 3344, 4180, 4874, 6688, 8360, 9748, 12185, 16720, 19496, 24370, 26807, 33440, 38992, 46303, 48740, 53614, 77984, 92606, 97480, 107228, 134035, 185212, 194960, 214456, 231515, 268070, 370424, 389920, 428912, 463030, 509333, 536140, 740848, 857824, 926060, 1018666, 1072280, 1481696, 1852120, 2037332, 2144560, 2546665, 3704240, 4074664, 4289120, 5093330, 7408480, 8149328, 10186660, 16298656, 20373320, 40746640, 81493280]

約数ペア:

[(1, 81493280), (2, 40746640), (4, 20373320), (5, 16298656), (8, 10186660), (10, 8149328), (11, 7408480), (16, 5093330), (19, 4289120), (20, 4074664), (22, 3704240), (32, 2546665), (38, 2144560), (40, 2037332), (44, 1852120), (55, 1481696), (76, 1072280), (80, 1018666), (88, 926060), (95, 857824), (110, 740848), (152, 536140), (160, 509333), (176, 463030), (190, 428912), (209, 389920), (220, 370424), (304, 268070), (352, 231515), (380, 214456), (418, 194960), (440, 185212), (608, 134035), (760, 107228), (836, 97480), (880, 92606), (1045, 77984), (1520, 53614), (1672, 48740), (1760, 46303), (2090, 38992), (2437, 33440), (3040, 26807), (3344, 24370), (4180, 19496), (4874, 16720), (6688, 12185), (8360, 9748)]