12878220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5801}}^1$

素因数の和:5850

約数の個数: 48

約数和(自身を含む): 37039968

約数和(自身を除く): 24161748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 5801, 11602, 17403, 23204, 29005, 34806, 58010, 69612, 87015, 116020, 174030, 214637, 348060, 429274, 643911, 858548, 1073185, 1287822, 2146370, 2575644, 3219555, 4292740, 6439110, 12878220]

約数ペア:

[(1, 12878220), (2, 6439110), (3, 4292740), (4, 3219555), (5, 2575644), (6, 2146370), (10, 1287822), (12, 1073185), (15, 858548), (20, 643911), (30, 429274), (37, 348060), (60, 214637), (74, 174030), (111, 116020), (148, 87015), (185, 69612), (222, 58010), (370, 34806), (444, 29005), (555, 23204), (740, 17403), (1110, 11602), (2220, 5801)]