64127200

素因数分解:

$2^5\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1129}}^1$

素因数の和:1220

約数の個数: 72

約数和(自身を含む): 158896080

約数和(自身を除く): 94768880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 71, 80, 100, 142, 160, 200, 284, 355, 400, 568, 710, 800, 1129, 1136, 1420, 1775, 2258, 2272, 2840, 3550, 4516, 5645, 5680, 7100, 9032, 11290, 11360, 14200, 18064, 22580, 28225, 28400, 36128, 45160, 56450, 56800, 80159, 90320, 112900, 160318, 180640, 225800, 320636, 400795, 451600, 641272, 801590, 903200, 1282544, 1603180, 2003975, 2565088, 3206360, 4007950, 6412720, 8015900, 12825440, 16031800, 32063600, 64127200]

約数ペア:

[(1, 64127200), (2, 32063600), (4, 16031800), (5, 12825440), (8, 8015900), (10, 6412720), (16, 4007950), (20, 3206360), (25, 2565088), (32, 2003975), (40, 1603180), (50, 1282544), (71, 903200), (80, 801590), (100, 641272), (142, 451600), (160, 400795), (200, 320636), (284, 225800), (355, 180640), (400, 160318), (568, 112900), (710, 90320), (800, 80159), (1129, 56800), (1136, 56450), (1420, 45160), (1775, 36128), (2258, 28400), (2272, 28225), (2840, 22580), (3550, 18064), (4516, 14200), (5645, 11360), (5680, 11290), (7100, 9032)]