7491960

素因数分解:

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

素因数の和:1018

約数の個数: 128

約数和(自身を含む): 28569600

約数和(自身を除く): 21077640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 991, 1080, 1260, 1512, 1890, 1982, 2520, 2973, 3780, 3964, 4955, 5946, 6937, 7560, 7928, 8919, 9910, 11892, 13874, 14865, 17838, 19820, 20811, 23784, 26757, 27748, 29730, 34685, 35676, 39640, 41622, 44595, 53514, 55496, 59460, 62433, 69370, 71352, 83244, 89190, 104055, 107028, 118920, 124866, 133785, 138740, 166488, 178380, 187299, 208110, 214056, 249732, 267570, 277480, 312165, 356760, 374598, 416220, 499464, 535140, 624330, 749196, 832440, 936495, 1070280, 1248660, 1498392, 1872990, 2497320, 3745980, 7491960]

約数ペア:

[(1, 7491960), (2, 3745980), (3, 2497320), (4, 1872990), (5, 1498392), (6, 1248660), (7, 1070280), (8, 936495), (9, 832440), (10, 749196), (12, 624330), (14, 535140), (15, 499464), (18, 416220), (20, 374598), (21, 356760), (24, 312165), (27, 277480), (28, 267570), (30, 249732), (35, 214056), (36, 208110), (40, 187299), (42, 178380), (45, 166488), (54, 138740), (56, 133785), (60, 124866), (63, 118920), (70, 107028), (72, 104055), (84, 89190), (90, 83244), (105, 71352), (108, 69370), (120, 62433), (126, 59460), (135, 55496), (140, 53514), (168, 44595), (180, 41622), (189, 39640), (210, 35676), (216, 34685), (252, 29730), (270, 27748), (280, 26757), (315, 23784), (360, 20811), (378, 19820), (420, 17838), (504, 14865), (540, 13874), (630, 11892), (756, 9910), (840, 8919), (945, 7928), (991, 7560), (1080, 6937), (1260, 5946), (1512, 4955), (1890, 3964), (1982, 3780), (2520, 2973)]