121331560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{577}}^1\times {\mathrm{751}}^1$

素因数の和:1346

約数の個数: 64

約数和(自身を含む): 312952320

約数和(自身を除く): 191620760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 577, 751, 1154, 1502, 2308, 2885, 3004, 3755, 4039, 4616, 5257, 5770, 6008, 7510, 8078, 10514, 11540, 15020, 16156, 20195, 21028, 23080, 26285, 30040, 32312, 40390, 42056, 52570, 80780, 105140, 161560, 210280, 433327, 866654, 1733308, 2166635, 3033289, 3466616, 4333270, 6066578, 8666540, 12133156, 15166445, 17333080, 24266312, 30332890, 60665780, 121331560]

約数ペア:

[(1, 121331560), (2, 60665780), (4, 30332890), (5, 24266312), (7, 17333080), (8, 15166445), (10, 12133156), (14, 8666540), (20, 6066578), (28, 4333270), (35, 3466616), (40, 3033289), (56, 2166635), (70, 1733308), (140, 866654), (280, 433327), (577, 210280), (751, 161560), (1154, 105140), (1502, 80780), (2308, 52570), (2885, 42056), (3004, 40390), (3755, 32312), (4039, 30040), (4616, 26285), (5257, 23080), (5770, 21028), (6008, 20195), (7510, 16156), (8078, 15020), (10514, 11540)]