1248660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{991}}^1$

素因数の和:1013

約数の個数: 72

約数和(自身を含む): 4333056

約数和(自身を除く): 3084396

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 991, 1260, 1982, 2973, 3964, 4955, 5946, 6937, 8919, 9910, 11892, 13874, 14865, 17838, 19820, 20811, 27748, 29730, 34685, 35676, 41622, 44595, 59460, 62433, 69370, 83244, 89190, 104055, 124866, 138740, 178380, 208110, 249732, 312165, 416220, 624330, 1248660]

約数ペア:

[(1, 1248660), (2, 624330), (3, 416220), (4, 312165), (5, 249732), (6, 208110), (7, 178380), (9, 138740), (10, 124866), (12, 104055), (14, 89190), (15, 83244), (18, 69370), (20, 62433), (21, 59460), (28, 44595), (30, 41622), (35, 35676), (36, 34685), (42, 29730), (45, 27748), (60, 20811), (63, 19820), (70, 17838), (84, 14865), (90, 13874), (105, 11892), (126, 9910), (140, 8919), (180, 6937), (210, 5946), (252, 4955), (315, 3964), (420, 2973), (630, 1982), (991, 1260)]