31508960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{4019}}^1$

素因数の和:4048

約数の個数: 72

約数和(自身を含む): 86614920

約数和(自身を除く): 55105960

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, 4019, 7840, 8038, 16076, 20095, 28133, 32152, 40190, 56266, 64304, 80380, 112532, 128608, 140665, 160760, 196931, 225064, 281330, 321520, 393862, 450128, 562660, 643040, 787724, 900256, 984655, 1125320, 1575448, 1969310, 2250640, 3150896, 3938620, 4501280, 6301792, 7877240, 15754480, 31508960]

約数ペア:

[(1, 31508960), (2, 15754480), (4, 7877240), (5, 6301792), (7, 4501280), (8, 3938620), (10, 3150896), (14, 2250640), (16, 1969310), (20, 1575448), (28, 1125320), (32, 984655), (35, 900256), (40, 787724), (49, 643040), (56, 562660), (70, 450128), (80, 393862), (98, 321520), (112, 281330), (140, 225064), (160, 196931), (196, 160760), (224, 140665), (245, 128608), (280, 112532), (392, 80380), (490, 64304), (560, 56266), (784, 40190), (980, 32152), (1120, 28133), (1568, 20095), (1960, 16076), (3920, 8038), (4019, 7840)]