213838320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{890993}}^1$

素因数の和:891009

約数の個数: 40

約数和(自身を含む): 662899536

約数和(自身を除く): 449061216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 890993, 1781986, 2672979, 3563972, 4454965, 5345958, 7127944, 8909930, 10691916, 13364895, 14255888, 17819860, 21383832, 26729790, 35639720, 42767664, 53459580, 71279440, 106919160, 213838320]

約数ペア:

[(1, 213838320), (2, 106919160), (3, 71279440), (4, 53459580), (5, 42767664), (6, 35639720), (8, 26729790), (10, 21383832), (12, 17819860), (15, 14255888), (16, 13364895), (20, 10691916), (24, 8909930), (30, 7127944), (40, 5345958), (48, 4454965), (60, 3563972), (80, 2672979), (120, 1781986), (240, 890993)]