15903860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2417}}^1$

素因数の和:2480

約数の個数: 48

約数和(自身を含む): 38997504

約数和(自身を除く): 23093644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 2417, 3290, 4834, 6580, 9668, 12085, 16919, 24170, 33838, 48340, 67676, 84595, 113599, 169190, 227198, 338380, 454396, 567995, 795193, 1135990, 1590386, 2271980, 3180772, 3975965, 7951930, 15903860]

約数ペア:

[(1, 15903860), (2, 7951930), (4, 3975965), (5, 3180772), (7, 2271980), (10, 1590386), (14, 1135990), (20, 795193), (28, 567995), (35, 454396), (47, 338380), (70, 227198), (94, 169190), (140, 113599), (188, 84595), (235, 67676), (329, 48340), (470, 33838), (658, 24170), (940, 16919), (1316, 12085), (1645, 9668), (2417, 6580), (3290, 4834)]