138663680

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{853}}^1$

素因数の和:1001

約数の個数: 72

約数和(自身を含む): 335150592

約数和(自身を除く): 196486912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 853, 1016, 1270, 1280, 1706, 2032, 2540, 3412, 4064, 4265, 5080, 6824, 8128, 8530, 10160, 13648, 16256, 17060, 20320, 27296, 32512, 34120, 40640, 54592, 68240, 81280, 108331, 109184, 136480, 162560, 216662, 218368, 272960, 433324, 541655, 545920, 866648, 1083310, 1091840, 1733296, 2166620, 3466592, 4333240, 6933184, 8666480, 13866368, 17332960, 27732736, 34665920, 69331840, 138663680]

約数ペア:

[(1, 138663680), (2, 69331840), (4, 34665920), (5, 27732736), (8, 17332960), (10, 13866368), (16, 8666480), (20, 6933184), (32, 4333240), (40, 3466592), (64, 2166620), (80, 1733296), (127, 1091840), (128, 1083310), (160, 866648), (254, 545920), (256, 541655), (320, 433324), (508, 272960), (635, 218368), (640, 216662), (853, 162560), (1016, 136480), (1270, 109184), (1280, 108331), (1706, 81280), (2032, 68240), (2540, 54592), (3412, 40640), (4064, 34120), (4265, 32512), (5080, 27296), (6824, 20320), (8128, 17060), (8530, 16256), (10160, 13648)]