9899120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1607}}^1$

素因数の和:1638

約数の個数: 80

約数和(自身を含む): 28712448

約数和(自身を除く): 18813328

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 1607, 3080, 3214, 6160, 6428, 8035, 11249, 12856, 16070, 17677, 22498, 25712, 32140, 35354, 44996, 56245, 64280, 70708, 88385, 89992, 112490, 123739, 128560, 141416, 176770, 179984, 224980, 247478, 282832, 353540, 449960, 494956, 618695, 707080, 899920, 989912, 1237390, 1414160, 1979824, 2474780, 4949560, 9899120]

約数ペア:

[(1, 9899120), (2, 4949560), (4, 2474780), (5, 1979824), (7, 1414160), (8, 1237390), (10, 989912), (11, 899920), (14, 707080), (16, 618695), (20, 494956), (22, 449960), (28, 353540), (35, 282832), (40, 247478), (44, 224980), (55, 179984), (56, 176770), (70, 141416), (77, 128560), (80, 123739), (88, 112490), (110, 89992), (112, 88385), (140, 70708), (154, 64280), (176, 56245), (220, 44996), (280, 35354), (308, 32140), (385, 25712), (440, 22498), (560, 17677), (616, 16070), (770, 12856), (880, 11249), (1232, 8035), (1540, 6428), (1607, 6160), (3080, 3214)]