157218760

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{347}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 363813120

約数和(自身を除く): 206594360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 241, 347, 376, 470, 482, 694, 940, 964, 1205, 1388, 1735, 1880, 1928, 2410, 2776, 3470, 4820, 6940, 9640, 11327, 13880, 16309, 22654, 32618, 45308, 56635, 65236, 81545, 83627, 90616, 113270, 130472, 163090, 167254, 226540, 326180, 334508, 418135, 453080, 652360, 669016, 836270, 1672540, 3345080, 3930469, 7860938, 15721876, 19652345, 31443752, 39304690, 78609380, 157218760]

約数ペア:

[(1, 157218760), (2, 78609380), (4, 39304690), (5, 31443752), (8, 19652345), (10, 15721876), (20, 7860938), (40, 3930469), (47, 3345080), (94, 1672540), (188, 836270), (235, 669016), (241, 652360), (347, 453080), (376, 418135), (470, 334508), (482, 326180), (694, 226540), (940, 167254), (964, 163090), (1205, 130472), (1388, 113270), (1735, 90616), (1880, 83627), (1928, 81545), (2410, 65236), (2776, 56635), (3470, 45308), (4820, 32618), (6940, 22654), (9640, 16309), (11327, 13880)]