64129600

素因数分解:

$2^6\times 5^2\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:440

約数の個数: 84

約数和(自身を含む): 159448500

約数和(自身を除く): 95318900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 149, 160, 200, 269, 298, 320, 400, 538, 596, 745, 800, 1076, 1192, 1345, 1490, 1600, 2152, 2384, 2690, 2980, 3725, 4304, 4768, 5380, 5960, 6725, 7450, 8608, 9536, 10760, 11920, 13450, 14900, 17216, 21520, 23840, 26900, 29800, 40081, 43040, 47680, 53800, 59600, 80162, 86080, 107600, 119200, 160324, 200405, 215200, 238400, 320648, 400810, 430400, 641296, 801620, 1002025, 1282592, 1603240, 2004050, 2565184, 3206480, 4008100, 6412960, 8016200, 12825920, 16032400, 32064800, 64129600]

約数ペア:

[(1, 64129600), (2, 32064800), (4, 16032400), (5, 12825920), (8, 8016200), (10, 6412960), (16, 4008100), (20, 3206480), (25, 2565184), (32, 2004050), (40, 1603240), (50, 1282592), (64, 1002025), (80, 801620), (100, 641296), (149, 430400), (160, 400810), (200, 320648), (269, 238400), (298, 215200), (320, 200405), (400, 160324), (538, 119200), (596, 107600), (745, 86080), (800, 80162), (1076, 59600), (1192, 53800), (1345, 47680), (1490, 43040), (1600, 40081), (2152, 29800), (2384, 26900), (2690, 23840), (2980, 21520), (3725, 17216), (4304, 14900), (4768, 13450), (5380, 11920), (5960, 10760), (6725, 9536), (7450, 8608)]