64177520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{313}}^1$

素因数の和:570

約数の個数: 80

約数和(自身を含む): 163998432

約数和(自身を除く): 99820912

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 233, 313, 440, 466, 626, 880, 932, 1165, 1252, 1565, 1864, 2330, 2504, 2563, 3130, 3443, 3728, 4660, 5008, 5126, 6260, 6886, 9320, 10252, 12520, 12815, 13772, 17215, 18640, 20504, 25040, 25630, 27544, 34430, 41008, 51260, 55088, 68860, 72929, 102520, 137720, 145858, 205040, 275440, 291716, 364645, 583432, 729290, 802219, 1166864, 1458580, 1604438, 2917160, 3208876, 4011095, 5834320, 6417752, 8022190, 12835504, 16044380, 32088760, 64177520]

約数ペア:

[(1, 64177520), (2, 32088760), (4, 16044380), (5, 12835504), (8, 8022190), (10, 6417752), (11, 5834320), (16, 4011095), (20, 3208876), (22, 2917160), (40, 1604438), (44, 1458580), (55, 1166864), (80, 802219), (88, 729290), (110, 583432), (176, 364645), (220, 291716), (233, 275440), (313, 205040), (440, 145858), (466, 137720), (626, 102520), (880, 72929), (932, 68860), (1165, 55088), (1252, 51260), (1565, 41008), (1864, 34430), (2330, 27544), (2504, 25630), (2563, 25040), (3130, 20504), (3443, 18640), (3728, 17215), (4660, 13772), (5008, 12815), (5126, 12520), (6260, 10252), (6886, 9320)]