19740120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{919}}^1$

素因数の和:1112

約数の個数: 64

約数和(自身を含む): 59616000

約数和(自身を除く): 39875880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179, 358, 537, 716, 895, 919, 1074, 1432, 1790, 1838, 2148, 2685, 2757, 3580, 3676, 4296, 4595, 5370, 5514, 7160, 7352, 9190, 10740, 11028, 13785, 18380, 21480, 22056, 27570, 36760, 55140, 110280, 164501, 329002, 493503, 658004, 822505, 987006, 1316008, 1645010, 1974012, 2467515, 3290020, 3948024, 4935030, 6580040, 9870060, 19740120]

約数ペア:

[(1, 19740120), (2, 9870060), (3, 6580040), (4, 4935030), (5, 3948024), (6, 3290020), (8, 2467515), (10, 1974012), (12, 1645010), (15, 1316008), (20, 987006), (24, 822505), (30, 658004), (40, 493503), (60, 329002), (120, 164501), (179, 110280), (358, 55140), (537, 36760), (716, 27570), (895, 22056), (919, 21480), (1074, 18380), (1432, 13785), (1790, 11028), (1838, 10740), (2148, 9190), (2685, 7352), (2757, 7160), (3580, 5514), (3676, 5370), (4296, 4595)]