129227220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23159}}^1$

素因数の和:23205

約数の個数: 72

約数和(自身を含む): 404651520

約数和(自身を除く): 275424300

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, 23159, 46318, 69477, 92636, 115795, 138954, 208431, 231590, 277908, 347385, 416862, 463180, 694770, 717929, 833724, 1042155, 1389540, 1435858, 2084310, 2153787, 2871716, 3589645, 4168620, 4307574, 6461361, 7179290, 8615148, 10768935, 12922722, 14358580, 21537870, 25845444, 32306805, 43075740, 64613610, 129227220]

約数ペア:

[(1, 129227220), (2, 64613610), (3, 43075740), (4, 32306805), (5, 25845444), (6, 21537870), (9, 14358580), (10, 12922722), (12, 10768935), (15, 8615148), (18, 7179290), (20, 6461361), (30, 4307574), (31, 4168620), (36, 3589645), (45, 2871716), (60, 2153787), (62, 2084310), (90, 1435858), (93, 1389540), (124, 1042155), (155, 833724), (180, 717929), (186, 694770), (279, 463180), (310, 416862), (372, 347385), (465, 277908), (558, 231590), (620, 208431), (930, 138954), (1116, 115795), (1395, 92636), (1860, 69477), (2790, 46318), (5580, 23159)]