80711840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^3\times {\mathrm{379}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 210288960

約数和(自身を除く): 129577120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 379, 440, 484, 605, 758, 880, 968, 1210, 1331, 1516, 1760, 1895, 1936, 2420, 2662, 3032, 3790, 3872, 4169, 4840, 5324, 6064, 6655, 7580, 8338, 9680, 10648, 12128, 13310, 15160, 16676, 19360, 20845, 21296, 26620, 30320, 33352, 41690, 42592, 45859, 53240, 60640, 66704, 83380, 91718, 106480, 133408, 166760, 183436, 212960, 229295, 333520, 366872, 458590, 504449, 667040, 733744, 917180, 1008898, 1467488, 1834360, 2017796, 2522245, 3668720, 4035592, 5044490, 7337440, 8071184, 10088980, 16142368, 20177960, 40355920, 80711840]

約数ペア:

[(1, 80711840), (2, 40355920), (4, 20177960), (5, 16142368), (8, 10088980), (10, 8071184), (11, 7337440), (16, 5044490), (20, 4035592), (22, 3668720), (32, 2522245), (40, 2017796), (44, 1834360), (55, 1467488), (80, 1008898), (88, 917180), (110, 733744), (121, 667040), (160, 504449), (176, 458590), (220, 366872), (242, 333520), (352, 229295), (379, 212960), (440, 183436), (484, 166760), (605, 133408), (758, 106480), (880, 91718), (968, 83380), (1210, 66704), (1331, 60640), (1516, 53240), (1760, 45859), (1895, 42592), (1936, 41690), (2420, 33352), (2662, 30320), (3032, 26620), (3790, 21296), (3872, 20845), (4169, 19360), (4840, 16676), (5324, 15160), (6064, 13310), (6655, 12128), (7580, 10648), (8338, 9680)]