61474840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1213}}^1$

素因数の和:1412

約数の個数: 64

約数和(自身を含む): 159082560

約数和(自身を除く): 97607720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 181, 280, 362, 724, 905, 1213, 1267, 1448, 1810, 2426, 2534, 3620, 4852, 5068, 6065, 6335, 7240, 8491, 9704, 10136, 12130, 12670, 16982, 24260, 25340, 33964, 42455, 48520, 50680, 67928, 84910, 169820, 219553, 339640, 439106, 878212, 1097765, 1536871, 1756424, 2195530, 3073742, 4391060, 6147484, 7684355, 8782120, 12294968, 15368710, 30737420, 61474840]

約数ペア:

[(1, 61474840), (2, 30737420), (4, 15368710), (5, 12294968), (7, 8782120), (8, 7684355), (10, 6147484), (14, 4391060), (20, 3073742), (28, 2195530), (35, 1756424), (40, 1536871), (56, 1097765), (70, 878212), (140, 439106), (181, 339640), (280, 219553), (362, 169820), (724, 84910), (905, 67928), (1213, 50680), (1267, 48520), (1448, 42455), (1810, 33964), (2426, 25340), (2534, 24260), (3620, 16982), (4852, 12670), (5068, 12130), (6065, 10136), (6335, 9704), (7240, 8491)]