7972440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{9491}}^1$

素因数の和:9512

約数の個数: 64

約数和(自身を含む): 27336960

約数和(自身を除く): 19364520

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, 9491, 18982, 28473, 37964, 47455, 56946, 66437, 75928, 94910, 113892, 132874, 142365, 189820, 199311, 227784, 265748, 284730, 332185, 379640, 398622, 531496, 569460, 664370, 797244, 996555, 1138920, 1328740, 1594488, 1993110, 2657480, 3986220, 7972440]

約数ペア:

[(1, 7972440), (2, 3986220), (3, 2657480), (4, 1993110), (5, 1594488), (6, 1328740), (7, 1138920), (8, 996555), (10, 797244), (12, 664370), (14, 569460), (15, 531496), (20, 398622), (21, 379640), (24, 332185), (28, 284730), (30, 265748), (35, 227784), (40, 199311), (42, 189820), (56, 142365), (60, 132874), (70, 113892), (84, 94910), (105, 75928), (120, 66437), (140, 56946), (168, 47455), (210, 37964), (280, 28473), (420, 18982), (840, 9491)]