88901680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{22679}}^1$

素因数の和:22706

約数の個数: 60

約数和(自身を含む): 240453360

約数和(自身を除く): 151551680

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, 22679, 45358, 90716, 113395, 158753, 181432, 226790, 317506, 362864, 453580, 635012, 793765, 907160, 1111271, 1270024, 1587530, 1814320, 2222542, 2540048, 3175060, 4445084, 5556355, 6350120, 8890168, 11112710, 12700240, 17780336, 22225420, 44450840, 88901680]

約数ペア:

[(1, 88901680), (2, 44450840), (4, 22225420), (5, 17780336), (7, 12700240), (8, 11112710), (10, 8890168), (14, 6350120), (16, 5556355), (20, 4445084), (28, 3175060), (35, 2540048), (40, 2222542), (49, 1814320), (56, 1587530), (70, 1270024), (80, 1111271), (98, 907160), (112, 793765), (140, 635012), (196, 453580), (245, 362864), (280, 317506), (392, 226790), (490, 181432), (560, 158753), (784, 113395), (980, 90716), (1960, 45358), (3920, 22679)]