56687220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10159}}^1$

素因数の和:10205

約数の個数: 72

約数和(自身を含む): 177515520

約数和(自身を除く): 120828300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 10159, 20318, 30477, 40636, 50795, 60954, 91431, 101590, 121908, 152385, 182862, 203180, 304770, 314929, 365724, 457155, 609540, 629858, 914310, 944787, 1259716, 1574645, 1828620, 1889574, 2834361, 3149290, 3779148, 4723935, 5668722, 6298580, 9447870, 11337444, 14171805, 18895740, 28343610, 56687220]

約数ペア:

[(1, 56687220), (2, 28343610), (3, 18895740), (4, 14171805), (5, 11337444), (6, 9447870), (9, 6298580), (10, 5668722), (12, 4723935), (15, 3779148), (18, 3149290), (20, 2834361), (30, 1889574), (31, 1828620), (36, 1574645), (45, 1259716), (60, 944787), (62, 914310), (90, 629858), (93, 609540), (124, 457155), (155, 365724), (180, 314929), (186, 304770), (279, 203180), (310, 182862), (372, 152385), (465, 121908), (558, 101590), (620, 91431), (930, 60954), (1116, 50795), (1395, 40636), (1860, 30477), (2790, 20318), (5580, 10159)]