211861680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4481}}^1$

素因数の和:4694

約数の個数: 80

約数和(自身を含む): 660252384

約数和(自身を除く): 448390704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 394, 591, 788, 985, 1182, 1576, 1970, 2364, 2955, 3152, 3940, 4481, 4728, 5910, 7880, 8962, 9456, 11820, 13443, 15760, 17924, 22405, 23640, 26886, 35848, 44810, 47280, 53772, 67215, 71696, 89620, 107544, 134430, 179240, 215088, 268860, 358480, 537720, 882757, 1075440, 1765514, 2648271, 3531028, 4413785, 5296542, 7062056, 8827570, 10593084, 13241355, 14124112, 17655140, 21186168, 26482710, 35310280, 42372336, 52965420, 70620560, 105930840, 211861680]

約数ペア:

[(1, 211861680), (2, 105930840), (3, 70620560), (4, 52965420), (5, 42372336), (6, 35310280), (8, 26482710), (10, 21186168), (12, 17655140), (15, 14124112), (16, 13241355), (20, 10593084), (24, 8827570), (30, 7062056), (40, 5296542), (48, 4413785), (60, 3531028), (80, 2648271), (120, 1765514), (197, 1075440), (240, 882757), (394, 537720), (591, 358480), (788, 268860), (985, 215088), (1182, 179240), (1576, 134430), (1970, 107544), (2364, 89620), (2955, 71696), (3152, 67215), (3940, 53772), (4481, 47280), (4728, 44810), (5910, 35848), (7880, 26886), (8962, 23640), (9456, 22405), (11820, 17924), (13443, 15760)]