31807720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2417}}^1$

素因数の和:2482

約数の個数: 64

約数和(自身を含む): 83566080

約数和(自身を除く): 51758360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2417, 2632, 3290, 4834, 6580, 9668, 12085, 13160, 16919, 19336, 24170, 33838, 48340, 67676, 84595, 96680, 113599, 135352, 169190, 227198, 338380, 454396, 567995, 676760, 795193, 908792, 1135990, 1590386, 2271980, 3180772, 3975965, 4543960, 6361544, 7951930, 15903860, 31807720]

約数ペア:

[(1, 31807720), (2, 15903860), (4, 7951930), (5, 6361544), (7, 4543960), (8, 3975965), (10, 3180772), (14, 2271980), (20, 1590386), (28, 1135990), (35, 908792), (40, 795193), (47, 676760), (56, 567995), (70, 454396), (94, 338380), (140, 227198), (188, 169190), (235, 135352), (280, 113599), (329, 96680), (376, 84595), (470, 67676), (658, 48340), (940, 33838), (1316, 24170), (1645, 19336), (1880, 16919), (2417, 13160), (2632, 12085), (3290, 9668), (4834, 6580)]