15396440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 36279360

約数和(自身を除く): 20882920

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 101, 103, 148, 185, 202, 206, 296, 370, 404, 412, 505, 515, 740, 808, 824, 1010, 1030, 1480, 2020, 2060, 3737, 3811, 4040, 4120, 7474, 7622, 10403, 14948, 15244, 18685, 19055, 20806, 29896, 30488, 37370, 38110, 41612, 52015, 74740, 76220, 83224, 104030, 149480, 152440, 208060, 384911, 416120, 769822, 1539644, 1924555, 3079288, 3849110, 7698220, 15396440]

約数ペア:

[(1, 15396440), (2, 7698220), (4, 3849110), (5, 3079288), (8, 1924555), (10, 1539644), (20, 769822), (37, 416120), (40, 384911), (74, 208060), (101, 152440), (103, 149480), (148, 104030), (185, 83224), (202, 76220), (206, 74740), (296, 52015), (370, 41612), (404, 38110), (412, 37370), (505, 30488), (515, 29896), (740, 20806), (808, 19055), (824, 18685), (1010, 15244), (1030, 14948), (1480, 10403), (2020, 7622), (2060, 7474), (3737, 4120), (3811, 4040)]