87972240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15937}}^1$

素因数の和:15976

約数の個数: 80

約数和(自身を含む): 284588928

約数和(自身を除く): 196616688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 15937, 31874, 47811, 63748, 79685, 95622, 127496, 159370, 191244, 239055, 254992, 318740, 366551, 382488, 478110, 637480, 733102, 764976, 956220, 1099653, 1274960, 1466204, 1832755, 1912440, 2199306, 2932408, 3665510, 3824880, 4398612, 5498265, 5864816, 7331020, 8797224, 10996530, 14662040, 17594448, 21993060, 29324080, 43986120, 87972240]

約数ペア:

[(1, 87972240), (2, 43986120), (3, 29324080), (4, 21993060), (5, 17594448), (6, 14662040), (8, 10996530), (10, 8797224), (12, 7331020), (15, 5864816), (16, 5498265), (20, 4398612), (23, 3824880), (24, 3665510), (30, 2932408), (40, 2199306), (46, 1912440), (48, 1832755), (60, 1466204), (69, 1274960), (80, 1099653), (92, 956220), (115, 764976), (120, 733102), (138, 637480), (184, 478110), (230, 382488), (240, 366551), (276, 318740), (345, 254992), (368, 239055), (460, 191244), (552, 159370), (690, 127496), (920, 95622), (1104, 79685), (1380, 63748), (1840, 47811), (2760, 31874), (5520, 15937)]