61398820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2423}}^1$

素因数の和:2620

約数の個数: 48

約数和(自身を含む): 148232448

約数和(自身を除く): 86833628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 724, 905, 1267, 1810, 2423, 2534, 3620, 4846, 5068, 6335, 9692, 12115, 12670, 16961, 24230, 25340, 33922, 48460, 67844, 84805, 169610, 339220, 438563, 877126, 1754252, 2192815, 3069941, 4385630, 6139882, 8771260, 12279764, 15349705, 30699410, 61398820]

約数ペア:

[(1, 61398820), (2, 30699410), (4, 15349705), (5, 12279764), (7, 8771260), (10, 6139882), (14, 4385630), (20, 3069941), (28, 2192815), (35, 1754252), (70, 877126), (140, 438563), (181, 339220), (362, 169610), (724, 84805), (905, 67844), (1267, 48460), (1810, 33922), (2423, 25340), (2534, 24230), (3620, 16961), (4846, 12670), (5068, 12115), (6335, 9692)]