156787120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{279977}}^1$

素因数の和:279997

約数の個数: 40

約数和(自身を含む): 416607264

約数和(自身を除く): 259820144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 279977, 559954, 1119908, 1399885, 1959839, 2239816, 2799770, 3919678, 4479632, 5599540, 7839356, 9799195, 11199080, 15678712, 19598390, 22398160, 31357424, 39196780, 78393560, 156787120]

約数ペア:

[(1, 156787120), (2, 78393560), (4, 39196780), (5, 31357424), (7, 22398160), (8, 19598390), (10, 15678712), (14, 11199080), (16, 9799195), (20, 7839356), (28, 5599540), (35, 4479632), (40, 3919678), (56, 2799770), (70, 2239816), (80, 1959839), (112, 1399885), (140, 1119908), (280, 559954), (560, 279977)]