64647520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{293}}^1$

素因数の和:512

約数の個数: 96

約数和(自身を含む): 176033088

約数和(自身を除く): 111385568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 197, 224, 280, 293, 394, 560, 586, 788, 985, 1120, 1172, 1379, 1465, 1576, 1970, 2051, 2344, 2758, 2930, 3152, 3940, 4102, 4688, 5516, 5860, 6304, 6895, 7880, 8204, 9376, 10255, 11032, 11720, 13790, 15760, 16408, 20510, 22064, 23440, 27580, 31520, 32816, 41020, 44128, 46880, 55160, 57721, 65632, 82040, 110320, 115442, 164080, 220640, 230884, 288605, 328160, 404047, 461768, 577210, 808094, 923536, 1154420, 1616188, 1847072, 2020235, 2308840, 3232376, 4040470, 4617680, 6464752, 8080940, 9235360, 12929504, 16161880, 32323760, 64647520]

約数ペア:

[(1, 64647520), (2, 32323760), (4, 16161880), (5, 12929504), (7, 9235360), (8, 8080940), (10, 6464752), (14, 4617680), (16, 4040470), (20, 3232376), (28, 2308840), (32, 2020235), (35, 1847072), (40, 1616188), (56, 1154420), (70, 923536), (80, 808094), (112, 577210), (140, 461768), (160, 404047), (197, 328160), (224, 288605), (280, 230884), (293, 220640), (394, 164080), (560, 115442), (586, 110320), (788, 82040), (985, 65632), (1120, 57721), (1172, 55160), (1379, 46880), (1465, 44128), (1576, 41020), (1970, 32816), (2051, 31520), (2344, 27580), (2758, 23440), (2930, 22064), (3152, 20510), (3940, 16408), (4102, 15760), (4688, 13790), (5516, 11720), (5860, 11032), (6304, 10255), (6895, 9376), (7880, 8204)]