72128560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6779}}^1$

素因数の和:6818

約数の個数: 80

約数和(自身を含む): 201772800

約数和(自身を除く): 129644240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 6779, 10640, 13558, 27116, 33895, 47453, 54232, 67790, 94906, 108464, 128801, 135580, 189812, 237265, 257602, 271160, 379624, 474530, 515204, 542320, 644005, 759248, 901607, 949060, 1030408, 1288010, 1803214, 1898120, 2060816, 2576020, 3606428, 3796240, 4508035, 5152040, 7212856, 9016070, 10304080, 14425712, 18032140, 36064280, 72128560]

約数ペア:

[(1, 72128560), (2, 36064280), (4, 18032140), (5, 14425712), (7, 10304080), (8, 9016070), (10, 7212856), (14, 5152040), (16, 4508035), (19, 3796240), (20, 3606428), (28, 2576020), (35, 2060816), (38, 1898120), (40, 1803214), (56, 1288010), (70, 1030408), (76, 949060), (80, 901607), (95, 759248), (112, 644005), (133, 542320), (140, 515204), (152, 474530), (190, 379624), (266, 271160), (280, 257602), (304, 237265), (380, 189812), (532, 135580), (560, 128801), (665, 108464), (760, 94906), (1064, 67790), (1330, 54232), (1520, 47453), (2128, 33895), (2660, 27116), (5320, 13558), (6779, 10640)]