64467160

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{887}}^1$

素因数の和:1000

約数の個数: 64

約数和(自身を含む): 153446400

約数和(自身を除く): 88979240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 79, 92, 115, 158, 184, 230, 316, 395, 460, 632, 790, 887, 920, 1580, 1774, 1817, 3160, 3548, 3634, 4435, 7096, 7268, 8870, 9085, 14536, 17740, 18170, 20401, 35480, 36340, 40802, 70073, 72680, 81604, 102005, 140146, 163208, 204010, 280292, 350365, 408020, 560584, 700730, 816040, 1401460, 1611679, 2802920, 3223358, 6446716, 8058395, 12893432, 16116790, 32233580, 64467160]

約数ペア:

[(1, 64467160), (2, 32233580), (4, 16116790), (5, 12893432), (8, 8058395), (10, 6446716), (20, 3223358), (23, 2802920), (40, 1611679), (46, 1401460), (79, 816040), (92, 700730), (115, 560584), (158, 408020), (184, 350365), (230, 280292), (316, 204010), (395, 163208), (460, 140146), (632, 102005), (790, 81604), (887, 72680), (920, 70073), (1580, 40802), (1774, 36340), (1817, 35480), (3160, 20401), (3548, 18170), (3634, 17740), (4435, 14536), (7096, 9085), (7268, 8870)]