8001780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{691}}^1$

素因数の和:896

約数の個数: 48

約数和(自身を含む): 22553664

約数和(自身を除く): 14551884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 193, 386, 579, 691, 772, 965, 1158, 1382, 1930, 2073, 2316, 2764, 2895, 3455, 3860, 4146, 5790, 6910, 8292, 10365, 11580, 13820, 20730, 41460, 133363, 266726, 400089, 533452, 666815, 800178, 1333630, 1600356, 2000445, 2667260, 4000890, 8001780]

約数ペア:

[(1, 8001780), (2, 4000890), (3, 2667260), (4, 2000445), (5, 1600356), (6, 1333630), (10, 800178), (12, 666815), (15, 533452), (20, 400089), (30, 266726), (60, 133363), (193, 41460), (386, 20730), (579, 13820), (691, 11580), (772, 10365), (965, 8292), (1158, 6910), (1382, 5790), (1930, 4146), (2073, 3860), (2316, 3455), (2764, 2895)]