87071880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{103657}}^1$

素因数の和:103678

約数の個数: 64

約数和(自身を含む): 298535040

約数和(自身を除く): 211463160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 103657, 207314, 310971, 414628, 518285, 621942, 725599, 829256, 1036570, 1243884, 1451198, 1554855, 2073140, 2176797, 2487768, 2902396, 3109710, 3627995, 4146280, 4353594, 5804792, 6219420, 7255990, 8707188, 10883985, 12438840, 14511980, 17414376, 21767970, 29023960, 43535940, 87071880]

約数ペア:

[(1, 87071880), (2, 43535940), (3, 29023960), (4, 21767970), (5, 17414376), (6, 14511980), (7, 12438840), (8, 10883985), (10, 8707188), (12, 7255990), (14, 6219420), (15, 5804792), (20, 4353594), (21, 4146280), (24, 3627995), (28, 3109710), (30, 2902396), (35, 2487768), (40, 2176797), (42, 2073140), (56, 1554855), (60, 1451198), (70, 1243884), (84, 1036570), (105, 829256), (120, 725599), (140, 621942), (168, 518285), (210, 414628), (280, 310971), (420, 207314), (840, 103657)]