74515280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19009}}^1$

素因数の和:19036

約数の個数: 60

約数和(自身を含む): 201544020

約数和(自身を除く): 127028740

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 19009, 38018, 76036, 95045, 133063, 152072, 190090, 266126, 304144, 380180, 532252, 665315, 760360, 931441, 1064504, 1330630, 1520720, 1862882, 2129008, 2661260, 3725764, 4657205, 5322520, 7451528, 9314410, 10645040, 14903056, 18628820, 37257640, 74515280]

約数ペア:

[(1, 74515280), (2, 37257640), (4, 18628820), (5, 14903056), (7, 10645040), (8, 9314410), (10, 7451528), (14, 5322520), (16, 4657205), (20, 3725764), (28, 2661260), (35, 2129008), (40, 1862882), (49, 1520720), (56, 1330630), (70, 1064504), (80, 931441), (98, 760360), (112, 665315), (140, 532252), (196, 380180), (245, 304144), (280, 266126), (392, 190090), (490, 152072), (560, 133063), (784, 95045), (980, 76036), (1960, 38018), (3920, 19009)]