18088440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{491}}^1$

素因数の和:812

約数の個数: 64

約数和(自身を含む): 54552960

約数和(自身を除く): 36464520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 307, 491, 614, 921, 982, 1228, 1473, 1535, 1842, 1964, 2455, 2456, 2946, 3070, 3684, 3928, 4605, 4910, 5892, 6140, 7365, 7368, 9210, 9820, 11784, 12280, 14730, 18420, 19640, 29460, 36840, 58920, 150737, 301474, 452211, 602948, 753685, 904422, 1205896, 1507370, 1808844, 2261055, 3014740, 3617688, 4522110, 6029480, 9044220, 18088440]

約数ペア:

[(1, 18088440), (2, 9044220), (3, 6029480), (4, 4522110), (5, 3617688), (6, 3014740), (8, 2261055), (10, 1808844), (12, 1507370), (15, 1205896), (20, 904422), (24, 753685), (30, 602948), (40, 452211), (60, 301474), (120, 150737), (307, 58920), (491, 36840), (614, 29460), (921, 19640), (982, 18420), (1228, 14730), (1473, 12280), (1535, 11784), (1842, 9820), (1964, 9210), (2455, 7368), (2456, 7365), (2946, 6140), (3070, 5892), (3684, 4910), (3928, 4605)]