2664660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 7560000

約数和(自身を除く): 4895340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 499, 534, 890, 998, 1068, 1335, 1497, 1780, 1996, 2495, 2670, 2994, 4990, 5340, 5988, 7485, 9980, 14970, 29940, 44411, 88822, 133233, 177644, 222055, 266466, 444110, 532932, 666165, 888220, 1332330, 2664660]

約数ペア:

[(1, 2664660), (2, 1332330), (3, 888220), (4, 666165), (5, 532932), (6, 444110), (10, 266466), (12, 222055), (15, 177644), (20, 133233), (30, 88822), (60, 44411), (89, 29940), (178, 14970), (267, 9980), (356, 7485), (445, 5988), (499, 5340), (534, 4990), (890, 2994), (998, 2670), (1068, 2495), (1335, 1996), (1497, 1780)]