30427760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:582

約数の個数: 80

約数和(自身を含む): 78423552

約数和(自身を除く): 47995792

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 284, 355, 440, 487, 568, 710, 781, 880, 974, 1136, 1420, 1562, 1948, 2435, 2840, 3124, 3896, 3905, 4870, 5357, 5680, 6248, 7792, 7810, 9740, 10714, 12496, 15620, 19480, 21428, 26785, 31240, 34577, 38960, 42856, 53570, 62480, 69154, 85712, 107140, 138308, 172885, 214280, 276616, 345770, 380347, 428560, 553232, 691540, 760694, 1383080, 1521388, 1901735, 2766160, 3042776, 3803470, 6085552, 7606940, 15213880, 30427760]

約数ペア:

[(1, 30427760), (2, 15213880), (4, 7606940), (5, 6085552), (8, 3803470), (10, 3042776), (11, 2766160), (16, 1901735), (20, 1521388), (22, 1383080), (40, 760694), (44, 691540), (55, 553232), (71, 428560), (80, 380347), (88, 345770), (110, 276616), (142, 214280), (176, 172885), (220, 138308), (284, 107140), (355, 85712), (440, 69154), (487, 62480), (568, 53570), (710, 42856), (781, 38960), (880, 34577), (974, 31240), (1136, 26785), (1420, 21428), (1562, 19480), (1948, 15620), (2435, 12496), (2840, 10714), (3124, 9740), (3896, 7810), (3905, 7792), (4870, 6248), (5357, 5680)]