313699520

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12409}}^1$

素因数の和:12505

約数の個数: 56

約数和(自身を含む): 756513600

約数和(自身を除く): 442814080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 1264, 1580, 2528, 3160, 5056, 6320, 12409, 12640, 24818, 25280, 49636, 62045, 99272, 124090, 198544, 248180, 397088, 496360, 794176, 980311, 992720, 1960622, 1985440, 3921244, 3970880, 4901555, 7842488, 9803110, 15684976, 19606220, 31369952, 39212440, 62739904, 78424880, 156849760, 313699520]

約数ペア:

[(1, 313699520), (2, 156849760), (4, 78424880), (5, 62739904), (8, 39212440), (10, 31369952), (16, 19606220), (20, 15684976), (32, 9803110), (40, 7842488), (64, 4901555), (79, 3970880), (80, 3921244), (158, 1985440), (160, 1960622), (316, 992720), (320, 980311), (395, 794176), (632, 496360), (790, 397088), (1264, 248180), (1580, 198544), (2528, 124090), (3160, 99272), (5056, 62045), (6320, 49636), (12409, 25280), (12640, 24818)]