31789120

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{821}}^1$

素因数の和:860

約数の個数: 84

約数和(自身を含む): 83306412

約数和(自身を除く): 51517292

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 160, 176, 220, 242, 320, 352, 440, 484, 605, 704, 821, 880, 968, 1210, 1642, 1760, 1936, 2420, 3284, 3520, 3872, 4105, 4840, 6568, 7744, 8210, 9031, 9680, 13136, 16420, 18062, 19360, 26272, 32840, 36124, 38720, 45155, 52544, 65680, 72248, 90310, 99341, 131360, 144496, 180620, 198682, 262720, 288992, 361240, 397364, 496705, 577984, 722480, 794728, 993410, 1444960, 1589456, 1986820, 2889920, 3178912, 3973640, 6357824, 7947280, 15894560, 31789120]

約数ペア:

[(1, 31789120), (2, 15894560), (4, 7947280), (5, 6357824), (8, 3973640), (10, 3178912), (11, 2889920), (16, 1986820), (20, 1589456), (22, 1444960), (32, 993410), (40, 794728), (44, 722480), (55, 577984), (64, 496705), (80, 397364), (88, 361240), (110, 288992), (121, 262720), (160, 198682), (176, 180620), (220, 144496), (242, 131360), (320, 99341), (352, 90310), (440, 72248), (484, 65680), (605, 52544), (704, 45155), (821, 38720), (880, 36124), (968, 32840), (1210, 26272), (1642, 19360), (1760, 18062), (1936, 16420), (2420, 13136), (3284, 9680), (3520, 9031), (3872, 8210), (4105, 7744), (4840, 6568)]