80060120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{40847}}^1$

素因数の和:40872

約数の個数: 48

約数和(自身を含む): 209550240

約数和(自身を除く): 129490120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 40847, 81694, 163388, 204235, 285929, 326776, 408470, 571858, 816940, 1143716, 1429645, 1633880, 2001503, 2287432, 2859290, 4003006, 5718580, 8006012, 10007515, 11437160, 16012024, 20015030, 40030060, 80060120]

約数ペア:

[(1, 80060120), (2, 40030060), (4, 20015030), (5, 16012024), (7, 11437160), (8, 10007515), (10, 8006012), (14, 5718580), (20, 4003006), (28, 2859290), (35, 2287432), (40, 2001503), (49, 1633880), (56, 1429645), (70, 1143716), (98, 816940), (140, 571858), (196, 408470), (245, 326776), (280, 285929), (392, 204235), (490, 163388), (980, 81694), (1960, 40847)]