668804560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1753}}^1$

素因数の和:2036

約数の個数: 80

約数和(自身を含む): 1644269760

約数和(自身を除く): 975465200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 251, 304, 380, 502, 760, 1004, 1255, 1520, 1753, 2008, 2510, 3506, 4016, 4769, 5020, 7012, 8765, 9538, 10040, 14024, 17530, 19076, 20080, 23845, 28048, 33307, 35060, 38152, 47690, 66614, 70120, 76304, 95380, 133228, 140240, 166535, 190760, 266456, 333070, 381520, 440003, 532912, 666140, 880006, 1332280, 1760012, 2200015, 2664560, 3520024, 4400030, 7040048, 8360057, 8800060, 16720114, 17600120, 33440228, 35200240, 41800285, 66880456, 83600570, 133760912, 167201140, 334402280, 668804560]

約数ペア:

[(1, 668804560), (2, 334402280), (4, 167201140), (5, 133760912), (8, 83600570), (10, 66880456), (16, 41800285), (19, 35200240), (20, 33440228), (38, 17600120), (40, 16720114), (76, 8800060), (80, 8360057), (95, 7040048), (152, 4400030), (190, 3520024), (251, 2664560), (304, 2200015), (380, 1760012), (502, 1332280), (760, 880006), (1004, 666140), (1255, 532912), (1520, 440003), (1753, 381520), (2008, 333070), (2510, 266456), (3506, 190760), (4016, 166535), (4769, 140240), (5020, 133228), (7012, 95380), (8765, 76304), (9538, 70120), (10040, 66614), (14024, 47690), (17530, 38152), (19076, 35060), (20080, 33307), (23845, 28048)]