2881160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 7257600

約数和(自身を除く): 4376440

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 223, 323, 340, 380, 446, 646, 680, 760, 892, 1115, 1292, 1615, 1784, 2230, 2584, 3230, 3791, 4237, 4460, 6460, 7582, 8474, 8920, 12920, 15164, 16948, 18955, 21185, 30328, 33896, 37910, 42370, 72029, 75820, 84740, 144058, 151640, 169480, 288116, 360145, 576232, 720290, 1440580, 2881160]

約数ペア:

[(1, 2881160), (2, 1440580), (4, 720290), (5, 576232), (8, 360145), (10, 288116), (17, 169480), (19, 151640), (20, 144058), (34, 84740), (38, 75820), (40, 72029), (68, 42370), (76, 37910), (85, 33896), (95, 30328), (136, 21185), (152, 18955), (170, 16948), (190, 15164), (223, 12920), (323, 8920), (340, 8474), (380, 7582), (446, 6460), (646, 4460), (680, 4237), (760, 3791), (892, 3230), (1115, 2584), (1292, 2230), (1615, 1784)]