832440

素因数分解:

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

素因数の和:1012

約数の個数: 64

約数和(自身を含む): 2856960

約数和(自身を除く): 2024520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 991, 1982, 2973, 3964, 4955, 5946, 6937, 7928, 9910, 11892, 13874, 14865, 19820, 20811, 23784, 27748, 29730, 34685, 39640, 41622, 55496, 59460, 69370, 83244, 104055, 118920, 138740, 166488, 208110, 277480, 416220, 832440]

約数ペア:

[(1, 832440), (2, 416220), (3, 277480), (4, 208110), (5, 166488), (6, 138740), (7, 118920), (8, 104055), (10, 83244), (12, 69370), (14, 59460), (15, 55496), (20, 41622), (21, 39640), (24, 34685), (28, 29730), (30, 27748), (35, 23784), (40, 20811), (42, 19820), (56, 14865), (60, 13874), (70, 11892), (84, 9910), (105, 7928), (120, 6937), (140, 5946), (168, 4955), (210, 3964), (280, 2973), (420, 1982), (840, 991)]