61971560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{221327}}^1$

素因数の和:221345

約数の個数: 32

約数和(自身を含む): 159356160

約数和(自身を除く): 97384600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 221327, 442654, 885308, 1106635, 1549289, 1770616, 2213270, 3098578, 4426540, 6197156, 7746445, 8853080, 12394312, 15492890, 30985780, 61971560]

約数ペア:

[(1, 61971560), (2, 30985780), (4, 15492890), (5, 12394312), (7, 8853080), (8, 7746445), (10, 6197156), (14, 4426540), (20, 3098578), (28, 2213270), (35, 1770616), (40, 1549289), (56, 1106635), (70, 885308), (140, 442654), (280, 221327)]