528075280

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:712

約数の個数: 80

約数和(自身を含む): 1253491200

約数和(自身を除く): 725415920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 239, 284, 355, 389, 478, 568, 710, 778, 956, 1136, 1195, 1420, 1556, 1912, 1945, 2390, 2840, 3112, 3824, 3890, 4780, 5680, 6224, 7780, 9560, 15560, 16969, 19120, 27619, 31120, 33938, 55238, 67876, 84845, 92971, 110476, 135752, 138095, 169690, 185942, 220952, 271504, 276190, 339380, 371884, 441904, 464855, 552380, 678760, 743768, 929710, 1104760, 1357520, 1487536, 1859420, 2209520, 3718840, 6600941, 7437680, 13201882, 26403764, 33004705, 52807528, 66009410, 105615056, 132018820, 264037640, 528075280]

約数ペア:

[(1, 528075280), (2, 264037640), (4, 132018820), (5, 105615056), (8, 66009410), (10, 52807528), (16, 33004705), (20, 26403764), (40, 13201882), (71, 7437680), (80, 6600941), (142, 3718840), (239, 2209520), (284, 1859420), (355, 1487536), (389, 1357520), (478, 1104760), (568, 929710), (710, 743768), (778, 678760), (956, 552380), (1136, 464855), (1195, 441904), (1420, 371884), (1556, 339380), (1912, 276190), (1945, 271504), (2390, 220952), (2840, 185942), (3112, 169690), (3824, 138095), (3890, 135752), (4780, 110476), (5680, 92971), (6224, 84845), (7780, 67876), (9560, 55238), (15560, 33938), (16969, 31120), (19120, 27619)]