81809970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1433}}^1$

素因数の和:1627

約数の個数: 64

約数和(自身を含む): 215581824

約数和(自身を除く): 133771854

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 173, 330, 346, 519, 865, 1038, 1433, 1730, 1903, 2595, 2866, 3806, 4299, 5190, 5709, 7165, 8598, 9515, 11418, 14330, 15763, 19030, 21495, 28545, 31526, 42990, 47289, 57090, 78815, 94578, 157630, 236445, 247909, 472890, 495818, 743727, 1239545, 1487454, 2479090, 2726999, 3718635, 5453998, 7437270, 8180997, 13634995, 16361994, 27269990, 40904985, 81809970]

約数ペア:

[(1, 81809970), (2, 40904985), (3, 27269990), (5, 16361994), (6, 13634995), (10, 8180997), (11, 7437270), (15, 5453998), (22, 3718635), (30, 2726999), (33, 2479090), (55, 1487454), (66, 1239545), (110, 743727), (165, 495818), (173, 472890), (330, 247909), (346, 236445), (519, 157630), (865, 94578), (1038, 78815), (1433, 57090), (1730, 47289), (1903, 42990), (2595, 31526), (2866, 28545), (3806, 21495), (4299, 19030), (5190, 15763), (5709, 14330), (7165, 11418), (8598, 9515)]