122018960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1999}}^1$

素因数の和:2128

約数の個数: 80

約数和(自身を含む): 327360000

約数和(自身を除く): 205341040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 763, 872, 1090, 1526, 1744, 1999, 2180, 3052, 3815, 3998, 4360, 6104, 7630, 7996, 8720, 9995, 12208, 13993, 15260, 15992, 19990, 27986, 30520, 31984, 39980, 55972, 61040, 69965, 79960, 111944, 139930, 159920, 217891, 223888, 279860, 435782, 559720, 871564, 1089455, 1119440, 1525237, 1743128, 2178910, 3050474, 3486256, 4357820, 6100948, 7626185, 8715640, 12201896, 15252370, 17431280, 24403792, 30504740, 61009480, 122018960]

約数ペア:

[(1, 122018960), (2, 61009480), (4, 30504740), (5, 24403792), (7, 17431280), (8, 15252370), (10, 12201896), (14, 8715640), (16, 7626185), (20, 6100948), (28, 4357820), (35, 3486256), (40, 3050474), (56, 2178910), (70, 1743128), (80, 1525237), (109, 1119440), (112, 1089455), (140, 871564), (218, 559720), (280, 435782), (436, 279860), (545, 223888), (560, 217891), (763, 159920), (872, 139930), (1090, 111944), (1526, 79960), (1744, 69965), (1999, 61040), (2180, 55972), (3052, 39980), (3815, 31984), (3998, 30520), (4360, 27986), (6104, 19990), (7630, 15992), (7996, 15260), (8720, 13993), (9995, 12208)]