15315440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{3907}}^1$

素因数の和:3934

約数の個数: 60

約数和(自身を含む): 41432616

約数和(自身を除く): 26117176

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, 3907, 3920, 7814, 15628, 19535, 27349, 31256, 39070, 54698, 62512, 78140, 109396, 136745, 156280, 191443, 218792, 273490, 312560, 382886, 437584, 546980, 765772, 957215, 1093960, 1531544, 1914430, 2187920, 3063088, 3828860, 7657720, 15315440]

約数ペア:

[(1, 15315440), (2, 7657720), (4, 3828860), (5, 3063088), (7, 2187920), (8, 1914430), (10, 1531544), (14, 1093960), (16, 957215), (20, 765772), (28, 546980), (35, 437584), (40, 382886), (49, 312560), (56, 273490), (70, 218792), (80, 191443), (98, 156280), (112, 136745), (140, 109396), (196, 78140), (245, 62512), (280, 54698), (392, 39070), (490, 31256), (560, 27349), (784, 19535), (980, 15628), (1960, 7814), (3907, 3920)]