66984880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:506

約数の個数: 80

約数和(自身を含む): 165703680

約数和(自身を除く): 98718800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 127, 152, 190, 254, 304, 347, 380, 508, 635, 694, 760, 1016, 1270, 1388, 1520, 1735, 2032, 2413, 2540, 2776, 3470, 4826, 5080, 5552, 6593, 6940, 9652, 10160, 12065, 13186, 13880, 19304, 24130, 26372, 27760, 32965, 38608, 44069, 48260, 52744, 65930, 88138, 96520, 105488, 131860, 176276, 193040, 220345, 263720, 352552, 440690, 527440, 705104, 837311, 881380, 1674622, 1762760, 3349244, 3525520, 4186555, 6698488, 8373110, 13396976, 16746220, 33492440, 66984880]

約数ペア:

[(1, 66984880), (2, 33492440), (4, 16746220), (5, 13396976), (8, 8373110), (10, 6698488), (16, 4186555), (19, 3525520), (20, 3349244), (38, 1762760), (40, 1674622), (76, 881380), (80, 837311), (95, 705104), (127, 527440), (152, 440690), (190, 352552), (254, 263720), (304, 220345), (347, 193040), (380, 176276), (508, 131860), (635, 105488), (694, 96520), (760, 88138), (1016, 65930), (1270, 52744), (1388, 48260), (1520, 44069), (1735, 38608), (2032, 32965), (2413, 27760), (2540, 26372), (2776, 24130), (3470, 19304), (4826, 13880), (5080, 13186), (5552, 12065), (6593, 10160), (6940, 9652)]