1388797680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{5786657}}^1$

素因数の和:5786673

約数の個数: 40

約数和(自身を含む): 4305273552

約数和(自身を除く): 2916475872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 5786657, 11573314, 17359971, 23146628, 28933285, 34719942, 46293256, 57866570, 69439884, 86799855, 92586512, 115733140, 138879768, 173599710, 231466280, 277759536, 347199420, 462932560, 694398840, 1388797680]

約数ペア:

[(1, 1388797680), (2, 694398840), (3, 462932560), (4, 347199420), (5, 277759536), (6, 231466280), (8, 173599710), (10, 138879768), (12, 115733140), (15, 92586512), (16, 86799855), (20, 69439884), (24, 57866570), (30, 46293256), (40, 34719942), (48, 28933285), (60, 23146628), (80, 17359971), (120, 11573314), (240, 5786657)]