1215690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{827}}^1$

素因数の和:851

約数の個数: 48

約数和(自身を含む): 3398112

約数和(自身を除く): 2182422

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 827, 1470, 1654, 2481, 4135, 4962, 5789, 8270, 11578, 12405, 17367, 24810, 28945, 34734, 40523, 57890, 81046, 86835, 121569, 173670, 202615, 243138, 405230, 607845, 1215690]

約数ペア:

[(1, 1215690), (2, 607845), (3, 405230), (5, 243138), (6, 202615), (7, 173670), (10, 121569), (14, 86835), (15, 81046), (21, 57890), (30, 40523), (35, 34734), (42, 28945), (49, 24810), (70, 17367), (98, 12405), (105, 11578), (147, 8270), (210, 5789), (245, 4962), (294, 4135), (490, 2481), (735, 1654), (827, 1470)]