154680920

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{30449}}^1$

素因数の和:30587

約数の個数: 32

約数和(自身を含む): 350784000

約数和(自身を除く): 196103080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 30449, 60898, 121796, 152245, 243592, 304490, 608980, 1217960, 3867023, 7734046, 15468092, 19335115, 30936184, 38670230, 77340460, 154680920]

約数ペア:

[(1, 154680920), (2, 77340460), (4, 38670230), (5, 30936184), (8, 19335115), (10, 15468092), (20, 7734046), (40, 3867023), (127, 1217960), (254, 608980), (508, 304490), (635, 243592), (1016, 152245), (1270, 121796), (2540, 60898), (5080, 30449)]