31191200

素因数分解:

$2^5\times 5^2\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:454

約数の個数: 72

約数和(自身を含む): 76995072

約数和(自身を除く): 45803872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 127, 160, 200, 254, 307, 400, 508, 614, 635, 800, 1016, 1228, 1270, 1535, 2032, 2456, 2540, 3070, 3175, 4064, 4912, 5080, 6140, 6350, 7675, 9824, 10160, 12280, 12700, 15350, 20320, 24560, 25400, 30700, 38989, 49120, 50800, 61400, 77978, 101600, 122800, 155956, 194945, 245600, 311912, 389890, 623824, 779780, 974725, 1247648, 1559560, 1949450, 3119120, 3898900, 6238240, 7797800, 15595600, 31191200]

約数ペア:

[(1, 31191200), (2, 15595600), (4, 7797800), (5, 6238240), (8, 3898900), (10, 3119120), (16, 1949450), (20, 1559560), (25, 1247648), (32, 974725), (40, 779780), (50, 623824), (80, 389890), (100, 311912), (127, 245600), (160, 194945), (200, 155956), (254, 122800), (307, 101600), (400, 77978), (508, 61400), (614, 50800), (635, 49120), (800, 38989), (1016, 30700), (1228, 25400), (1270, 24560), (1535, 20320), (2032, 15350), (2456, 12700), (2540, 12280), (3070, 10160), (3175, 9824), (4064, 7675), (4912, 6350), (5080, 6140)]