66730880

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{821}}^1$

素因数の和:967

約数の個数: 64

約数和(自身を含む): 160980480

約数和(自身を除く): 94249600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 821, 1016, 1270, 1642, 2032, 2540, 3284, 4064, 4105, 5080, 6568, 8128, 8210, 10160, 13136, 16256, 16420, 20320, 26272, 32840, 40640, 52544, 65680, 81280, 104267, 105088, 131360, 208534, 262720, 417068, 521335, 525440, 834136, 1042670, 1668272, 2085340, 3336544, 4170680, 6673088, 8341360, 13346176, 16682720, 33365440, 66730880]

約数ペア:

[(1, 66730880), (2, 33365440), (4, 16682720), (5, 13346176), (8, 8341360), (10, 6673088), (16, 4170680), (20, 3336544), (32, 2085340), (40, 1668272), (64, 1042670), (80, 834136), (127, 525440), (128, 521335), (160, 417068), (254, 262720), (320, 208534), (508, 131360), (635, 105088), (640, 104267), (821, 81280), (1016, 65680), (1270, 52544), (1642, 40640), (2032, 32840), (2540, 26272), (3284, 20320), (4064, 16420), (4105, 16256), (5080, 13136), (6568, 10160), (8128, 8210)]