12579280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{3209}}^1$

素因数の和:3236

約数の個数: 60

約数和(自身を含む): 34032420

約数和(自身を除く): 21453140

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, 3209, 3920, 6418, 12836, 16045, 22463, 25672, 32090, 44926, 51344, 64180, 89852, 112315, 128360, 157241, 179704, 224630, 256720, 314482, 359408, 449260, 628964, 786205, 898520, 1257928, 1572410, 1797040, 2515856, 3144820, 6289640, 12579280]

約数ペア:

[(1, 12579280), (2, 6289640), (4, 3144820), (5, 2515856), (7, 1797040), (8, 1572410), (10, 1257928), (14, 898520), (16, 786205), (20, 628964), (28, 449260), (35, 359408), (40, 314482), (49, 256720), (56, 224630), (70, 179704), (80, 157241), (98, 128360), (112, 112315), (140, 89852), (196, 64180), (245, 51344), (280, 44926), (392, 32090), (490, 25672), (560, 22463), (784, 16045), (980, 12836), (1960, 6418), (3209, 3920)]