15983740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{887}}^1$

素因数の和:966

約数の個数: 48

約数和(自身を含む): 36251712

約数和(自身を除く): 20267972

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 887, 901, 1060, 1774, 1802, 3548, 3604, 4435, 4505, 8870, 9010, 15079, 17740, 18020, 30158, 47011, 60316, 75395, 94022, 150790, 188044, 235055, 301580, 470110, 799187, 940220, 1598374, 3196748, 3995935, 7991870, 15983740]

約数ペア:

[(1, 15983740), (2, 7991870), (4, 3995935), (5, 3196748), (10, 1598374), (17, 940220), (20, 799187), (34, 470110), (53, 301580), (68, 235055), (85, 188044), (106, 150790), (170, 94022), (212, 75395), (265, 60316), (340, 47011), (530, 30158), (887, 18020), (901, 17740), (1060, 15079), (1774, 9010), (1802, 8870), (3548, 4505), (3604, 4435)]