64939420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1151}}^1$

素因数の和:1211

約数の個数: 96

約数和(自身を含む): 173408256

約数和(自身を除く): 108468836

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 182, 217, 260, 310, 364, 403, 434, 455, 620, 806, 868, 910, 1085, 1151, 1612, 1820, 2015, 2170, 2302, 2821, 4030, 4340, 4604, 5642, 5755, 8057, 8060, 11284, 11510, 14105, 14963, 16114, 23020, 28210, 29926, 32228, 35681, 40285, 56420, 59852, 71362, 74815, 80570, 104741, 142724, 149630, 161140, 178405, 209482, 249767, 299260, 356810, 418964, 463853, 499534, 523705, 713620, 927706, 999068, 1047410, 1248835, 1855412, 2094820, 2319265, 2497670, 3246971, 4638530, 4995340, 6493942, 9277060, 12987884, 16234855, 32469710, 64939420]

約数ペア:

[(1, 64939420), (2, 32469710), (4, 16234855), (5, 12987884), (7, 9277060), (10, 6493942), (13, 4995340), (14, 4638530), (20, 3246971), (26, 2497670), (28, 2319265), (31, 2094820), (35, 1855412), (52, 1248835), (62, 1047410), (65, 999068), (70, 927706), (91, 713620), (124, 523705), (130, 499534), (140, 463853), (155, 418964), (182, 356810), (217, 299260), (260, 249767), (310, 209482), (364, 178405), (403, 161140), (434, 149630), (455, 142724), (620, 104741), (806, 80570), (868, 74815), (910, 71362), (1085, 59852), (1151, 56420), (1612, 40285), (1820, 35681), (2015, 32228), (2170, 29926), (2302, 28210), (2821, 23020), (4030, 16114), (4340, 14963), (4604, 14105), (5642, 11510), (5755, 11284), (8057, 8060)]