81351204

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{179}}^1\times {\mathrm{313}}^1$

素因数の和:521

約数の個数: 72

約数和(自身を含む): 210480480

約数和(自身を除く): 129129276

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 121, 132, 179, 242, 313, 358, 363, 484, 537, 626, 716, 726, 939, 1074, 1252, 1452, 1878, 1969, 2148, 3443, 3756, 3938, 5907, 6886, 7876, 10329, 11814, 13772, 20658, 21659, 23628, 37873, 41316, 43318, 56027, 64977, 75746, 86636, 112054, 113619, 129954, 151492, 168081, 224108, 227238, 259908, 336162, 454476, 616297, 672324, 1232594, 1848891, 2465188, 3697782, 6779267, 7395564, 13558534, 20337801, 27117068, 40675602, 81351204]

約数ペア:

[(1, 81351204), (2, 40675602), (3, 27117068), (4, 20337801), (6, 13558534), (11, 7395564), (12, 6779267), (22, 3697782), (33, 2465188), (44, 1848891), (66, 1232594), (121, 672324), (132, 616297), (179, 454476), (242, 336162), (313, 259908), (358, 227238), (363, 224108), (484, 168081), (537, 151492), (626, 129954), (716, 113619), (726, 112054), (939, 86636), (1074, 75746), (1252, 64977), (1452, 56027), (1878, 43318), (1969, 41316), (2148, 37873), (3443, 23628), (3756, 21659), (3938, 20658), (5907, 13772), (6886, 11814), (7876, 10329)]