669841760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{85439}}^1$

素因数の和:85468

約数の個数: 72

約数和(自身を含む): 1840890240

約数和(自身を除く): 1171048480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 85439, 170878, 341756, 427195, 598073, 683512, 854390, 1196146, 1367024, 1708780, 2392292, 2734048, 2990365, 3417560, 4186511, 4784584, 5980730, 6835120, 8373022, 9569168, 11961460, 13670240, 16746044, 19138336, 20932555, 23922920, 33492088, 41865110, 47845840, 66984176, 83730220, 95691680, 133968352, 167460440, 334920880, 669841760]

約数ペア:

[(1, 669841760), (2, 334920880), (4, 167460440), (5, 133968352), (7, 95691680), (8, 83730220), (10, 66984176), (14, 47845840), (16, 41865110), (20, 33492088), (28, 23922920), (32, 20932555), (35, 19138336), (40, 16746044), (49, 13670240), (56, 11961460), (70, 9569168), (80, 8373022), (98, 6835120), (112, 5980730), (140, 4784584), (160, 4186511), (196, 3417560), (224, 2990365), (245, 2734048), (280, 2392292), (392, 1708780), (490, 1367024), (560, 1196146), (784, 854390), (980, 683512), (1120, 598073), (1568, 427195), (1960, 341756), (3920, 170878), (7840, 85439)]