30915080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{15773}}^1$

素因数の和:15798

約数の個数: 48

約数和(自身を含む): 80920620

約数和(自身を除く): 50005540

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, 15773, 31546, 63092, 78865, 110411, 126184, 157730, 220822, 315460, 441644, 552055, 630920, 772877, 883288, 1104110, 1545754, 2208220, 3091508, 3864385, 4416440, 6183016, 7728770, 15457540, 30915080]

約数ペア:

[(1, 30915080), (2, 15457540), (4, 7728770), (5, 6183016), (7, 4416440), (8, 3864385), (10, 3091508), (14, 2208220), (20, 1545754), (28, 1104110), (35, 883288), (40, 772877), (49, 630920), (56, 552055), (70, 441644), (98, 315460), (140, 220822), (196, 157730), (245, 126184), (280, 110411), (392, 78865), (490, 63092), (980, 31546), (1960, 15773)]