687680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{307}}^1$

素因数の和:331

約数の個数: 56

約数和(自身を含む): 1877568

約数和(自身を除く): 1189888

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, 307, 320, 448, 560, 614, 1120, 1228, 1535, 2149, 2240, 2456, 3070, 4298, 4912, 6140, 8596, 9824, 10745, 12280, 17192, 19648, 21490, 24560, 34384, 42980, 49120, 68768, 85960, 98240, 137536, 171920, 343840, 687680]

約数ペア:

[(1, 687680), (2, 343840), (4, 171920), (5, 137536), (7, 98240), (8, 85960), (10, 68768), (14, 49120), (16, 42980), (20, 34384), (28, 24560), (32, 21490), (35, 19648), (40, 17192), (56, 12280), (64, 10745), (70, 9824), (80, 8596), (112, 6140), (140, 4912), (160, 4298), (224, 3070), (280, 2456), (307, 2240), (320, 2149), (448, 1535), (560, 1228), (614, 1120)]