267221440

素因数分解:

$2^6\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1993}}^1$

素因数の和:2429

約数の個数: 56

約数和(自身を含む): 638159760

約数和(自身を除く): 370938320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 419, 838, 1676, 1993, 2095, 3352, 3986, 4190, 6704, 7972, 8380, 9965, 13408, 15944, 16760, 19930, 26816, 31888, 33520, 39860, 63776, 67040, 79720, 127552, 134080, 159440, 318880, 637760, 835067, 1670134, 3340268, 4175335, 6680536, 8350670, 13361072, 16701340, 26722144, 33402680, 53444288, 66805360, 133610720, 267221440]

約数ペア:

[(1, 267221440), (2, 133610720), (4, 66805360), (5, 53444288), (8, 33402680), (10, 26722144), (16, 16701340), (20, 13361072), (32, 8350670), (40, 6680536), (64, 4175335), (80, 3340268), (160, 1670134), (320, 835067), (419, 637760), (838, 318880), (1676, 159440), (1993, 134080), (2095, 127552), (3352, 79720), (3986, 67040), (4190, 63776), (6704, 39860), (7972, 33520), (8380, 31888), (9965, 26816), (13408, 19930), (15944, 16760)]