89402720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:748

約数の個数: 96

約数和(自身を含む): 233694720

約数和(自身を除く): 144292000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 79, 80, 88, 110, 158, 160, 176, 220, 316, 352, 395, 440, 632, 643, 790, 869, 880, 1264, 1286, 1580, 1738, 1760, 2528, 2572, 3160, 3215, 3476, 4345, 5144, 6320, 6430, 6952, 7073, 8690, 10288, 12640, 12860, 13904, 14146, 17380, 20576, 25720, 27808, 28292, 34760, 35365, 50797, 51440, 56584, 69520, 70730, 101594, 102880, 113168, 139040, 141460, 203188, 226336, 253985, 282920, 406376, 507970, 558767, 565840, 812752, 1015940, 1117534, 1131680, 1625504, 2031880, 2235068, 2793835, 4063760, 4470136, 5587670, 8127520, 8940272, 11175340, 17880544, 22350680, 44701360, 89402720]

約数ペア:

[(1, 89402720), (2, 44701360), (4, 22350680), (5, 17880544), (8, 11175340), (10, 8940272), (11, 8127520), (16, 5587670), (20, 4470136), (22, 4063760), (32, 2793835), (40, 2235068), (44, 2031880), (55, 1625504), (79, 1131680), (80, 1117534), (88, 1015940), (110, 812752), (158, 565840), (160, 558767), (176, 507970), (220, 406376), (316, 282920), (352, 253985), (395, 226336), (440, 203188), (632, 141460), (643, 139040), (790, 113168), (869, 102880), (880, 101594), (1264, 70730), (1286, 69520), (1580, 56584), (1738, 51440), (1760, 50797), (2528, 35365), (2572, 34760), (3160, 28292), (3215, 27808), (3476, 25720), (4345, 20576), (5144, 17380), (6320, 14146), (6430, 13904), (6952, 12860), (7073, 12640), (8690, 10288)]