74397680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{18979}}^1$

素因数の和:19006

約数の個数: 60

約数和(自身を含む): 201225960

約数和(自身を除く): 126828280

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, 18979, 37958, 75916, 94895, 132853, 151832, 189790, 265706, 303664, 379580, 531412, 664265, 759160, 929971, 1062824, 1328530, 1518320, 1859942, 2125648, 2657060, 3719884, 4649855, 5314120, 7439768, 9299710, 10628240, 14879536, 18599420, 37198840, 74397680]

約数ペア:

[(1, 74397680), (2, 37198840), (4, 18599420), (5, 14879536), (7, 10628240), (8, 9299710), (10, 7439768), (14, 5314120), (16, 4649855), (20, 3719884), (28, 2657060), (35, 2125648), (40, 1859942), (49, 1518320), (56, 1328530), (70, 1062824), (80, 929971), (98, 759160), (112, 664265), (140, 531412), (196, 379580), (245, 303664), (280, 265706), (392, 189790), (490, 151832), (560, 132853), (784, 94895), (980, 75916), (1960, 37958), (3920, 18979)]