678395480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{5519}}^1$

素因数の和:5976

約数の個数: 64

約数和(自身を含む): 1748736000

約数和(自身を除く): 1070340520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 439, 878, 1756, 2195, 3073, 3512, 4390, 5519, 6146, 8780, 11038, 12292, 15365, 17560, 22076, 24584, 27595, 30730, 38633, 44152, 55190, 61460, 77266, 110380, 122920, 154532, 193165, 220760, 309064, 386330, 772660, 1545320, 2422841, 4845682, 9691364, 12114205, 16959887, 19382728, 24228410, 33919774, 48456820, 67839548, 84799435, 96913640, 135679096, 169598870, 339197740, 678395480]

約数ペア:

[(1, 678395480), (2, 339197740), (4, 169598870), (5, 135679096), (7, 96913640), (8, 84799435), (10, 67839548), (14, 48456820), (20, 33919774), (28, 24228410), (35, 19382728), (40, 16959887), (56, 12114205), (70, 9691364), (140, 4845682), (280, 2422841), (439, 1545320), (878, 772660), (1756, 386330), (2195, 309064), (3073, 220760), (3512, 193165), (4390, 154532), (5519, 122920), (6146, 110380), (8780, 77266), (11038, 61460), (12292, 55190), (15365, 44152), (17560, 38633), (22076, 30730), (24584, 27595)]