31496880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{499}}^1$

素因数の和:778

約数の個数: 80

約数和(自身を含む): 98208000

約数和(自身を除く): 66711120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 263, 499, 526, 789, 998, 1052, 1315, 1497, 1578, 1996, 2104, 2495, 2630, 2994, 3156, 3945, 3992, 4208, 4990, 5260, 5988, 6312, 7485, 7890, 7984, 9980, 10520, 11976, 12624, 14970, 15780, 19960, 21040, 23952, 29940, 31560, 39920, 59880, 63120, 119760, 131237, 262474, 393711, 524948, 656185, 787422, 1049896, 1312370, 1574844, 1968555, 2099792, 2624740, 3149688, 3937110, 5249480, 6299376, 7874220, 10498960, 15748440, 31496880]

約数ペア:

[(1, 31496880), (2, 15748440), (3, 10498960), (4, 7874220), (5, 6299376), (6, 5249480), (8, 3937110), (10, 3149688), (12, 2624740), (15, 2099792), (16, 1968555), (20, 1574844), (24, 1312370), (30, 1049896), (40, 787422), (48, 656185), (60, 524948), (80, 393711), (120, 262474), (240, 131237), (263, 119760), (499, 63120), (526, 59880), (789, 39920), (998, 31560), (1052, 29940), (1315, 23952), (1497, 21040), (1578, 19960), (1996, 15780), (2104, 14970), (2495, 12624), (2630, 11976), (2994, 10520), (3156, 9980), (3945, 7984), (3992, 7890), (4208, 7485), (4990, 6312), (5260, 5988)]