1657480020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3946381}}^1$

素因数の和:3946400

約数の個数: 48

約数和(自身を含む): 5303937408

約数和(自身を除く): 3646457388

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, 3946381, 7892762, 11839143, 15785524, 19731905, 23678286, 27624667, 39463810, 47356572, 55249334, 59195715, 78927620, 82874001, 110498668, 118391430, 138123335, 165748002, 236782860, 276246670, 331496004, 414370005, 552493340, 828740010, 1657480020]

約数ペア:

[(1, 1657480020), (2, 828740010), (3, 552493340), (4, 414370005), (5, 331496004), (6, 276246670), (7, 236782860), (10, 165748002), (12, 138123335), (14, 118391430), (15, 110498668), (20, 82874001), (21, 78927620), (28, 59195715), (30, 55249334), (35, 47356572), (42, 39463810), (60, 27624667), (70, 23678286), (84, 19731905), (105, 15785524), (140, 11839143), (210, 7892762), (420, 3946381)]