155167880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{554171}}^1$

素因数の和:554189

約数の個数: 32

約数和(自身を含む): 399003840

約数和(自身を除く): 243835960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 554171, 1108342, 2216684, 2770855, 3879197, 4433368, 5541710, 7758394, 11083420, 15516788, 19395985, 22166840, 31033576, 38791970, 77583940, 155167880]

約数ペア:

[(1, 155167880), (2, 77583940), (4, 38791970), (5, 31033576), (7, 22166840), (8, 19395985), (10, 15516788), (14, 11083420), (20, 7758394), (28, 5541710), (35, 4433368), (40, 3879197), (56, 2770855), (70, 2216684), (140, 1108342), (280, 554171)]