81053520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{739}}^1$

素因数の和:1212

約数の個数: 80

約数和(自身を含む): 252156480

約数和(自身を除く): 171102960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 457, 739, 914, 1371, 1478, 1828, 2217, 2285, 2742, 2956, 3656, 3695, 4434, 4570, 5484, 5912, 6855, 7312, 7390, 8868, 9140, 10968, 11085, 11824, 13710, 14780, 17736, 18280, 21936, 22170, 27420, 29560, 35472, 36560, 44340, 54840, 59120, 88680, 109680, 177360, 337723, 675446, 1013169, 1350892, 1688615, 2026338, 2701784, 3377230, 4052676, 5065845, 5403568, 6754460, 8105352, 10131690, 13508920, 16210704, 20263380, 27017840, 40526760, 81053520]

約数ペア:

[(1, 81053520), (2, 40526760), (3, 27017840), (4, 20263380), (5, 16210704), (6, 13508920), (8, 10131690), (10, 8105352), (12, 6754460), (15, 5403568), (16, 5065845), (20, 4052676), (24, 3377230), (30, 2701784), (40, 2026338), (48, 1688615), (60, 1350892), (80, 1013169), (120, 675446), (240, 337723), (457, 177360), (739, 109680), (914, 88680), (1371, 59120), (1478, 54840), (1828, 44340), (2217, 36560), (2285, 35472), (2742, 29560), (2956, 27420), (3656, 22170), (3695, 21936), (4434, 18280), (4570, 17736), (5484, 14780), (5912, 13710), (6855, 11824), (7312, 11085), (7390, 10968), (8868, 9140)]