561440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1$

素因数の和:66

約数の個数: 72

約数和(自身を含む): 1508220

約数和(自身を除く): 946780

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 80, 88, 110, 116, 121, 145, 160, 176, 220, 232, 242, 290, 319, 352, 440, 464, 484, 580, 605, 638, 880, 928, 968, 1160, 1210, 1276, 1595, 1760, 1936, 2320, 2420, 2552, 3190, 3509, 3872, 4640, 4840, 5104, 6380, 7018, 9680, 10208, 12760, 14036, 17545, 19360, 25520, 28072, 35090, 51040, 56144, 70180, 112288, 140360, 280720, 561440]

約数ペア:

[(1, 561440), (2, 280720), (4, 140360), (5, 112288), (8, 70180), (10, 56144), (11, 51040), (16, 35090), (20, 28072), (22, 25520), (29, 19360), (32, 17545), (40, 14036), (44, 12760), (55, 10208), (58, 9680), (80, 7018), (88, 6380), (110, 5104), (116, 4840), (121, 4640), (145, 3872), (160, 3509), (176, 3190), (220, 2552), (232, 2420), (242, 2320), (290, 1936), (319, 1760), (352, 1595), (440, 1276), (464, 1210), (484, 1160), (580, 968), (605, 928), (638, 880)]