15707720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{56099}}^1$

素因数の和:56117

約数の個数: 32

約数和(自身を含む): 40392000

約数和(自身を除く): 24684280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 56099, 112198, 224396, 280495, 392693, 448792, 560990, 785386, 1121980, 1570772, 1963465, 2243960, 3141544, 3926930, 7853860, 15707720]

約数ペア:

[(1, 15707720), (2, 7853860), (4, 3926930), (5, 3141544), (7, 2243960), (8, 1963465), (10, 1570772), (14, 1121980), (20, 785386), (28, 560990), (35, 448792), (40, 392693), (56, 280495), (70, 224396), (140, 112198), (280, 56099)]