55417320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{21991}}^1$

素因数の和:22015

約数の個数: 96

約数和(自身を含む): 205845120

約数和(自身を除く): 150427800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 21991, 43982, 65973, 87964, 109955, 131946, 153937, 175928, 197919, 219910, 263892, 307874, 329865, 395838, 439820, 461811, 527784, 615748, 659730, 769685, 791676, 879640, 923622, 989595, 1231496, 1319460, 1385433, 1539370, 1583352, 1847244, 1979190, 2309055, 2638920, 2770866, 3078740, 3694488, 3958380, 4618110, 5541732, 6157480, 6927165, 7916760, 9236220, 11083464, 13854330, 18472440, 27708660, 55417320]

約数ペア:

[(1, 55417320), (2, 27708660), (3, 18472440), (4, 13854330), (5, 11083464), (6, 9236220), (7, 7916760), (8, 6927165), (9, 6157480), (10, 5541732), (12, 4618110), (14, 3958380), (15, 3694488), (18, 3078740), (20, 2770866), (21, 2638920), (24, 2309055), (28, 1979190), (30, 1847244), (35, 1583352), (36, 1539370), (40, 1385433), (42, 1319460), (45, 1231496), (56, 989595), (60, 923622), (63, 879640), (70, 791676), (72, 769685), (84, 659730), (90, 615748), (105, 527784), (120, 461811), (126, 439820), (140, 395838), (168, 329865), (180, 307874), (210, 263892), (252, 219910), (280, 197919), (315, 175928), (360, 153937), (420, 131946), (504, 109955), (630, 87964), (840, 65973), (1260, 43982), (2520, 21991)]