18836415080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{810517}}^1$

素因数の和:810618

約数の個数: 64

約数和(自身を含む): 49020128640

約数和(自身を除く): 30183713560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 581, 664, 830, 1162, 1660, 2324, 2905, 3320, 4648, 5810, 11620, 23240, 810517, 1621034, 3242068, 4052585, 5673619, 6484136, 8105170, 11347238, 16210340, 22694476, 28368095, 32420680, 45388952, 56736190, 67272911, 113472380, 134545822, 226944760, 269091644, 336364555, 470910377, 538183288, 672729110, 941820754, 1345458220, 1883641508, 2354551885, 2690916440, 3767283016, 4709103770, 9418207540, 18836415080]

約数ペア:

[(1, 18836415080), (2, 9418207540), (4, 4709103770), (5, 3767283016), (7, 2690916440), (8, 2354551885), (10, 1883641508), (14, 1345458220), (20, 941820754), (28, 672729110), (35, 538183288), (40, 470910377), (56, 336364555), (70, 269091644), (83, 226944760), (140, 134545822), (166, 113472380), (280, 67272911), (332, 56736190), (415, 45388952), (581, 32420680), (664, 28368095), (830, 22694476), (1162, 16210340), (1660, 11347238), (2324, 8105170), (2905, 6484136), (3320, 5673619), (4648, 4052585), (5810, 3242068), (11620, 1621034), (23240, 810517)]