138520920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2351}}^1$

素因数の和:2856

約数の個数: 64

約数和(自身を含む): 416586240

約数和(自身を除く): 278065320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 491, 982, 1473, 1964, 2351, 2455, 2946, 3928, 4702, 4910, 5892, 7053, 7365, 9404, 9820, 11755, 11784, 14106, 14730, 18808, 19640, 23510, 28212, 29460, 35265, 47020, 56424, 58920, 70530, 94040, 141060, 282120, 1154341, 2308682, 3463023, 4617364, 5771705, 6926046, 9234728, 11543410, 13852092, 17315115, 23086820, 27704184, 34630230, 46173640, 69260460, 138520920]

約数ペア:

[(1, 138520920), (2, 69260460), (3, 46173640), (4, 34630230), (5, 27704184), (6, 23086820), (8, 17315115), (10, 13852092), (12, 11543410), (15, 9234728), (20, 6926046), (24, 5771705), (30, 4617364), (40, 3463023), (60, 2308682), (120, 1154341), (491, 282120), (982, 141060), (1473, 94040), (1964, 70530), (2351, 58920), (2455, 56424), (2946, 47020), (3928, 35265), (4702, 29460), (4910, 28212), (5892, 23510), (7053, 19640), (7365, 18808), (9404, 14730), (9820, 14106), (11755, 11784)]