155091160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{553897}}^1$

素因数の和:553915

約数の個数: 32

約数和(自身を含む): 398806560

約数和(自身を除く): 243715400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 553897, 1107794, 2215588, 2769485, 3877279, 4431176, 5538970, 7754558, 11077940, 15509116, 19386395, 22155880, 31018232, 38772790, 77545580, 155091160]

約数ペア:

[(1, 155091160), (2, 77545580), (4, 38772790), (5, 31018232), (7, 22155880), (8, 19386395), (10, 15509116), (14, 11077940), (20, 7754558), (28, 5538970), (35, 4431176), (40, 3877279), (56, 2769485), (70, 2215588), (140, 1107794), (280, 553897)]