81001860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{743}}^1$

素因数の和:857

約数の個数: 96

約数和(自身を含む): 239984640

約数和(自身を除く): 158982780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 79, 92, 115, 138, 158, 230, 237, 276, 316, 345, 395, 460, 474, 690, 743, 790, 948, 1185, 1380, 1486, 1580, 1817, 2229, 2370, 2972, 3634, 3715, 4458, 4740, 5451, 7268, 7430, 8916, 9085, 10902, 11145, 14860, 17089, 18170, 21804, 22290, 27255, 34178, 36340, 44580, 51267, 54510, 58697, 68356, 85445, 102534, 109020, 117394, 170890, 176091, 205068, 234788, 256335, 293485, 341780, 352182, 512670, 586970, 704364, 880455, 1025340, 1173940, 1350031, 1760910, 2700062, 3521820, 4050093, 5400124, 6750155, 8100186, 13500310, 16200372, 20250465, 27000620, 40500930, 81001860]

約数ペア:

[(1, 81001860), (2, 40500930), (3, 27000620), (4, 20250465), (5, 16200372), (6, 13500310), (10, 8100186), (12, 6750155), (15, 5400124), (20, 4050093), (23, 3521820), (30, 2700062), (46, 1760910), (60, 1350031), (69, 1173940), (79, 1025340), (92, 880455), (115, 704364), (138, 586970), (158, 512670), (230, 352182), (237, 341780), (276, 293485), (316, 256335), (345, 234788), (395, 205068), (460, 176091), (474, 170890), (690, 117394), (743, 109020), (790, 102534), (948, 85445), (1185, 68356), (1380, 58697), (1486, 54510), (1580, 51267), (1817, 44580), (2229, 36340), (2370, 34178), (2972, 27255), (3634, 22290), (3715, 21804), (4458, 18170), (4740, 17089), (5451, 14860), (7268, 11145), (7430, 10902), (8916, 9085)]