1540808780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1223}}^1\times {\mathrm{8999}}^1$

素因数の和:10238

約数の個数: 48

約数和(自身を含む): 3701376000

約数和(自身を除く): 2160567220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1223, 2446, 4892, 6115, 8561, 8999, 12230, 17122, 17998, 24460, 34244, 35996, 42805, 44995, 62993, 85610, 89990, 125986, 171220, 179980, 251972, 314965, 629930, 1259860, 11005777, 22011554, 44023108, 55028885, 77040439, 110057770, 154080878, 220115540, 308161756, 385202195, 770404390, 1540808780]

約数ペア:

[(1, 1540808780), (2, 770404390), (4, 385202195), (5, 308161756), (7, 220115540), (10, 154080878), (14, 110057770), (20, 77040439), (28, 55028885), (35, 44023108), (70, 22011554), (140, 11005777), (1223, 1259860), (2446, 629930), (4892, 314965), (6115, 251972), (8561, 179980), (8999, 171220), (12230, 125986), (17122, 89990), (17998, 85610), (24460, 62993), (34244, 44995), (35996, 42805)]