131620020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{313381}}^1$

素因数の和:313400

約数の個数: 48

約数和(自身を含む): 421185408

約数和(自身を除く): 289565388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 313381, 626762, 940143, 1253524, 1566905, 1880286, 2193667, 3133810, 3760572, 4387334, 4700715, 6267620, 6581001, 8774668, 9401430, 10968335, 13162002, 18802860, 21936670, 26324004, 32905005, 43873340, 65810010, 131620020]

約数ペア:

[(1, 131620020), (2, 65810010), (3, 43873340), (4, 32905005), (5, 26324004), (6, 21936670), (7, 18802860), (10, 13162002), (12, 10968335), (14, 9401430), (15, 8774668), (20, 6581001), (21, 6267620), (28, 4700715), (30, 4387334), (35, 3760572), (42, 3133810), (60, 2193667), (70, 1880286), (84, 1566905), (105, 1253524), (140, 940143), (210, 626762), (420, 313381)]