1247680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{557}}^1$

素因数の和:581

約数の個数: 56

約数和(自身を含む): 3401568

約数和(自身を除く): 2153888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 557, 560, 1114, 1120, 2228, 2240, 2785, 3899, 4456, 5570, 7798, 8912, 11140, 15596, 17824, 19495, 22280, 31192, 35648, 38990, 44560, 62384, 77980, 89120, 124768, 155960, 178240, 249536, 311920, 623840, 1247680]

約数ペア:

[(1, 1247680), (2, 623840), (4, 311920), (5, 249536), (7, 178240), (8, 155960), (10, 124768), (14, 89120), (16, 77980), (20, 62384), (28, 44560), (32, 38990), (35, 35648), (40, 31192), (56, 22280), (64, 19495), (70, 17824), (80, 15596), (112, 11140), (140, 8912), (160, 7798), (224, 5570), (280, 4456), (320, 3899), (448, 2785), (557, 2240), (560, 2228), (1114, 1120)]