13215160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{433}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 34372800

約数和(自身を除く): 21157640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 433, 436, 545, 763, 866, 872, 1090, 1526, 1732, 2165, 2180, 3031, 3052, 3464, 3815, 4330, 4360, 6062, 6104, 7630, 8660, 12124, 15155, 15260, 17320, 24248, 30310, 30520, 47197, 60620, 94394, 121240, 188788, 235985, 330379, 377576, 471970, 660758, 943940, 1321516, 1651895, 1887880, 2643032, 3303790, 6607580, 13215160]

約数ペア:

[(1, 13215160), (2, 6607580), (4, 3303790), (5, 2643032), (7, 1887880), (8, 1651895), (10, 1321516), (14, 943940), (20, 660758), (28, 471970), (35, 377576), (40, 330379), (56, 235985), (70, 188788), (109, 121240), (140, 94394), (218, 60620), (280, 47197), (433, 30520), (436, 30310), (545, 24248), (763, 17320), (866, 15260), (872, 15155), (1090, 12124), (1526, 8660), (1732, 7630), (2165, 6104), (2180, 6062), (3031, 4360), (3052, 4330), (3464, 3815)]