154203680

素因数分解:

$2^5\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1979}}^1$

素因数の和:2481

約数の個数: 48

約数和(自身を含む): 365238720

約数和(自身を除く): 211035040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 487, 974, 1948, 1979, 2435, 3896, 3958, 4870, 7792, 7916, 9740, 9895, 15584, 15832, 19480, 19790, 31664, 38960, 39580, 63328, 77920, 79160, 158320, 316640, 963773, 1927546, 3855092, 4818865, 7710184, 9637730, 15420368, 19275460, 30840736, 38550920, 77101840, 154203680]

約数ペア:

[(1, 154203680), (2, 77101840), (4, 38550920), (5, 30840736), (8, 19275460), (10, 15420368), (16, 9637730), (20, 7710184), (32, 4818865), (40, 3855092), (80, 1927546), (160, 963773), (487, 316640), (974, 158320), (1948, 79160), (1979, 77920), (2435, 63328), (3896, 39580), (3958, 38960), (4870, 31664), (7792, 19790), (7916, 19480), (9740, 15832), (9895, 15584)]