128759680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{701}}^1$

素因数の和:768

約数の個数: 128

約数和(自身を含む): 360884160

約数和(自身を除く): 232124480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 64, 70, 80, 82, 112, 128, 140, 160, 164, 205, 224, 280, 287, 320, 328, 410, 448, 560, 574, 640, 656, 701, 820, 896, 1120, 1148, 1312, 1402, 1435, 1640, 2240, 2296, 2624, 2804, 2870, 3280, 3505, 4480, 4592, 4907, 5248, 5608, 5740, 6560, 7010, 9184, 9814, 11216, 11480, 13120, 14020, 18368, 19628, 22432, 22960, 24535, 26240, 28040, 28741, 36736, 39256, 44864, 45920, 49070, 56080, 57482, 78512, 89728, 91840, 98140, 112160, 114964, 143705, 157024, 183680, 196280, 201187, 224320, 229928, 287410, 314048, 392560, 402374, 448640, 459856, 574820, 628096, 785120, 804748, 919712, 1005935, 1149640, 1570240, 1609496, 1839424, 2011870, 2299280, 3140480, 3218992, 3678848, 4023740, 4598560, 6437984, 8047480, 9197120, 12875968, 16094960, 18394240, 25751936, 32189920, 64379840, 128759680]

約数ペア:

[(1, 128759680), (2, 64379840), (4, 32189920), (5, 25751936), (7, 18394240), (8, 16094960), (10, 12875968), (14, 9197120), (16, 8047480), (20, 6437984), (28, 4598560), (32, 4023740), (35, 3678848), (40, 3218992), (41, 3140480), (56, 2299280), (64, 2011870), (70, 1839424), (80, 1609496), (82, 1570240), (112, 1149640), (128, 1005935), (140, 919712), (160, 804748), (164, 785120), (205, 628096), (224, 574820), (280, 459856), (287, 448640), (320, 402374), (328, 392560), (410, 314048), (448, 287410), (560, 229928), (574, 224320), (640, 201187), (656, 196280), (701, 183680), (820, 157024), (896, 143705), (1120, 114964), (1148, 112160), (1312, 98140), (1402, 91840), (1435, 89728), (1640, 78512), (2240, 57482), (2296, 56080), (2624, 49070), (2804, 45920), (2870, 44864), (3280, 39256), (3505, 36736), (4480, 28741), (4592, 28040), (4907, 26240), (5248, 24535), (5608, 22960), (5740, 22432), (6560, 19628), (7010, 18368), (9184, 14020), (9814, 13120), (11216, 11480)]