137740960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{17569}}^1$

素因数の和:17598

約数の個数: 72

約数和(自身を含む): 378563220

約数和(自身を除く): 240822260

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, 17569, 35138, 70276, 87845, 122983, 140552, 175690, 245966, 281104, 351380, 491932, 562208, 614915, 702760, 860881, 983864, 1229830, 1405520, 1721762, 1967728, 2459660, 2811040, 3443524, 3935456, 4304405, 4919320, 6887048, 8608810, 9838640, 13774096, 17217620, 19677280, 27548192, 34435240, 68870480, 137740960]

約数ペア:

[(1, 137740960), (2, 68870480), (4, 34435240), (5, 27548192), (7, 19677280), (8, 17217620), (10, 13774096), (14, 9838640), (16, 8608810), (20, 6887048), (28, 4919320), (32, 4304405), (35, 3935456), (40, 3443524), (49, 2811040), (56, 2459660), (70, 1967728), (80, 1721762), (98, 1405520), (112, 1229830), (140, 983864), (160, 860881), (196, 702760), (224, 614915), (245, 562208), (280, 491932), (392, 351380), (490, 281104), (560, 245966), (784, 175690), (980, 140552), (1120, 122983), (1568, 87845), (1960, 70276), (3920, 35138), (7840, 17569)]