940666720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{119983}}^1$

素因数の和:120012

約数の個数: 72

約数和(自身を含む): 2585175264

約数和(自身を除く): 1644508544

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, 119983, 239966, 479932, 599915, 839881, 959864, 1199830, 1679762, 1919728, 2399660, 3359524, 3839456, 4199405, 4799320, 5879167, 6719048, 8398810, 9598640, 11758334, 13438096, 16797620, 19197280, 23516668, 26876192, 29395835, 33595240, 47033336, 58791670, 67190480, 94066672, 117583340, 134380960, 188133344, 235166680, 470333360, 940666720]

約数ペア:

[(1, 940666720), (2, 470333360), (4, 235166680), (5, 188133344), (7, 134380960), (8, 117583340), (10, 94066672), (14, 67190480), (16, 58791670), (20, 47033336), (28, 33595240), (32, 29395835), (35, 26876192), (40, 23516668), (49, 19197280), (56, 16797620), (70, 13438096), (80, 11758334), (98, 9598640), (112, 8398810), (140, 6719048), (160, 5879167), (196, 4799320), (224, 4199405), (245, 3839456), (280, 3359524), (392, 2399660), (490, 1919728), (560, 1679762), (784, 1199830), (980, 959864), (1120, 839881), (1568, 599915), (1960, 479932), (3920, 239966), (7840, 119983)]