30736720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{7841}}^1$

素因数の和:7868

約数の個数: 60

約数和(自身を含む): 83140884

約数和(自身を除く): 52404164

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 7841, 15682, 31364, 39205, 54887, 62728, 78410, 109774, 125456, 156820, 219548, 274435, 313640, 384209, 439096, 548870, 627280, 768418, 878192, 1097740, 1536836, 1921045, 2195480, 3073672, 3842090, 4390960, 6147344, 7684180, 15368360, 30736720]

約数ペア:

[(1, 30736720), (2, 15368360), (4, 7684180), (5, 6147344), (7, 4390960), (8, 3842090), (10, 3073672), (14, 2195480), (16, 1921045), (20, 1536836), (28, 1097740), (35, 878192), (40, 768418), (49, 627280), (56, 548870), (70, 439096), (80, 384209), (98, 313640), (112, 274435), (140, 219548), (196, 156820), (245, 125456), (280, 109774), (392, 78410), (490, 62728), (560, 54887), (784, 39205), (980, 31364), (1960, 15682), (3920, 7841)]