61216120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{218629}}^1$

素因数の和:218647

約数の個数: 32

約数和(自身を含む): 157413600

約数和(自身を除く): 96197480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 218629, 437258, 874516, 1093145, 1530403, 1749032, 2186290, 3060806, 4372580, 6121612, 7652015, 8745160, 12243224, 15304030, 30608060, 61216120]

約数ペア:

[(1, 61216120), (2, 30608060), (4, 15304030), (5, 12243224), (7, 8745160), (8, 7652015), (10, 6121612), (14, 4372580), (20, 3060806), (28, 2186290), (35, 1749032), (40, 1530403), (56, 1093145), (70, 874516), (140, 437258), (280, 218629)]