129142980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13537}}^1$

素因数の和:13605

約数の個数: 72

約数和(自身を含む): 399154392

約数和(自身を除く): 270011412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 9540, 13537, 27074, 40611, 54148, 67685, 81222, 121833, 135370, 162444, 203055, 243666, 270740, 406110, 487332, 609165, 717461, 812220, 1218330, 1434922, 2152383, 2436660, 2869844, 3587305, 4304766, 6457149, 7174610, 8609532, 10761915, 12914298, 14349220, 21523830, 25828596, 32285745, 43047660, 64571490, 129142980]

約数ペア:

[(1, 129142980), (2, 64571490), (3, 43047660), (4, 32285745), (5, 25828596), (6, 21523830), (9, 14349220), (10, 12914298), (12, 10761915), (15, 8609532), (18, 7174610), (20, 6457149), (30, 4304766), (36, 3587305), (45, 2869844), (53, 2436660), (60, 2152383), (90, 1434922), (106, 1218330), (159, 812220), (180, 717461), (212, 609165), (265, 487332), (318, 406110), (477, 270740), (530, 243666), (636, 203055), (795, 162444), (954, 135370), (1060, 121833), (1590, 81222), (1908, 67685), (2385, 54148), (3180, 40611), (4770, 27074), (9540, 13537)]