66179820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{157571}}^1$

素因数の和:157590

約数の個数: 48

約数和(自身を含む): 211776768

約数和(自身を除く): 145596948

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, 157571, 315142, 472713, 630284, 787855, 945426, 1102997, 1575710, 1890852, 2205994, 2363565, 3151420, 3308991, 4411988, 4727130, 5514985, 6617982, 9454260, 11029970, 13235964, 16544955, 22059940, 33089910, 66179820]

約数ペア:

[(1, 66179820), (2, 33089910), (3, 22059940), (4, 16544955), (5, 13235964), (6, 11029970), (7, 9454260), (10, 6617982), (12, 5514985), (14, 4727130), (15, 4411988), (20, 3308991), (21, 3151420), (28, 2363565), (30, 2205994), (35, 1890852), (42, 1575710), (60, 1102997), (70, 945426), (84, 787855), (105, 630284), (140, 472713), (210, 315142), (420, 157571)]