16831980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8501}}^1$

素因数の和:8527

約数の個数: 72

約数和(自身を含む): 55705104

約数和(自身を除く): 38873124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 8501, 17002, 25503, 34004, 42505, 51006, 76509, 85010, 93511, 102012, 127515, 153018, 170020, 187022, 255030, 280533, 306036, 374044, 382545, 467555, 510060, 561066, 765090, 841599, 935110, 1122132, 1402665, 1530180, 1683198, 1870220, 2805330, 3366396, 4207995, 5610660, 8415990, 16831980]

約数ペア:

[(1, 16831980), (2, 8415990), (3, 5610660), (4, 4207995), (5, 3366396), (6, 2805330), (9, 1870220), (10, 1683198), (11, 1530180), (12, 1402665), (15, 1122132), (18, 935110), (20, 841599), (22, 765090), (30, 561066), (33, 510060), (36, 467555), (44, 382545), (45, 374044), (55, 306036), (60, 280533), (66, 255030), (90, 187022), (99, 170020), (110, 153018), (132, 127515), (165, 102012), (180, 93511), (198, 85010), (220, 76509), (330, 51006), (396, 42505), (495, 34004), (660, 25503), (990, 17002), (1980, 8501)]