120877960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{431707}}^1$

素因数の和:431725

約数の個数: 32

約数和(自身を含む): 310829760

約数和(自身を除く): 189951800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 431707, 863414, 1726828, 2158535, 3021949, 3453656, 4317070, 6043898, 8634140, 12087796, 15109745, 17268280, 24175592, 30219490, 60438980, 120877960]

約数ペア:

[(1, 120877960), (2, 60438980), (4, 30219490), (5, 24175592), (7, 17268280), (8, 15109745), (10, 12087796), (14, 8634140), (20, 6043898), (28, 4317070), (35, 3453656), (40, 3021949), (56, 2158535), (70, 1726828), (140, 863414), (280, 431707)]