17955320960

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{220907}}^1$

素因数の和:221053

約数の個数: 64

約数和(自身を含む): 43262622720

約数和(自身を除く): 25307301760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 2032, 2540, 4064, 5080, 8128, 10160, 16256, 20320, 40640, 81280, 220907, 441814, 883628, 1104535, 1767256, 2209070, 3534512, 4418140, 7069024, 8836280, 14138048, 17672560, 28055189, 28276096, 35345120, 56110378, 70690240, 112220756, 140275945, 141380480, 224441512, 280551890, 448883024, 561103780, 897766048, 1122207560, 1795532096, 2244415120, 3591064192, 4488830240, 8977660480, 17955320960]

約数ペア:

[(1, 17955320960), (2, 8977660480), (4, 4488830240), (5, 3591064192), (8, 2244415120), (10, 1795532096), (16, 1122207560), (20, 897766048), (32, 561103780), (40, 448883024), (64, 280551890), (80, 224441512), (127, 141380480), (128, 140275945), (160, 112220756), (254, 70690240), (320, 56110378), (508, 35345120), (635, 28276096), (640, 28055189), (1016, 17672560), (1270, 14138048), (2032, 8836280), (2540, 7069024), (4064, 4418140), (5080, 3534512), (8128, 2209070), (10160, 1767256), (16256, 1104535), (20320, 883628), (40640, 441814), (81280, 220907)]