156764660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1439}}^1$

素因数の和:1880

約数の個数: 48

約数和(自身を含む): 355622400

約数和(自身を除く): 198857740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 419, 838, 1439, 1676, 2095, 2878, 4190, 5447, 5756, 7195, 8380, 10894, 14390, 18707, 21788, 27235, 28780, 37414, 54470, 74828, 93535, 108940, 187070, 374140, 602941, 1205882, 2411764, 3014705, 6029410, 7838233, 12058820, 15676466, 31352932, 39191165, 78382330, 156764660]

約数ペア:

[(1, 156764660), (2, 78382330), (4, 39191165), (5, 31352932), (10, 15676466), (13, 12058820), (20, 7838233), (26, 6029410), (52, 3014705), (65, 2411764), (130, 1205882), (260, 602941), (419, 374140), (838, 187070), (1439, 108940), (1676, 93535), (2095, 74828), (2878, 54470), (4190, 37414), (5447, 28780), (5756, 27235), (7195, 21788), (8380, 18707), (10894, 14390)]