31563120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{379}}^1$

素因数の和:742

約数の個数: 80

約数和(自身を含む): 98386560

約数和(自身を除く): 66823440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 347, 379, 694, 758, 1041, 1137, 1388, 1516, 1735, 1895, 2082, 2274, 2776, 3032, 3470, 3790, 4164, 4548, 5205, 5552, 5685, 6064, 6940, 7580, 8328, 9096, 10410, 11370, 13880, 15160, 16656, 18192, 20820, 22740, 27760, 30320, 41640, 45480, 83280, 90960, 131513, 263026, 394539, 526052, 657565, 789078, 1052104, 1315130, 1578156, 1972695, 2104208, 2630260, 3156312, 3945390, 5260520, 6312624, 7890780, 10521040, 15781560, 31563120]

約数ペア:

[(1, 31563120), (2, 15781560), (3, 10521040), (4, 7890780), (5, 6312624), (6, 5260520), (8, 3945390), (10, 3156312), (12, 2630260), (15, 2104208), (16, 1972695), (20, 1578156), (24, 1315130), (30, 1052104), (40, 789078), (48, 657565), (60, 526052), (80, 394539), (120, 263026), (240, 131513), (347, 90960), (379, 83280), (694, 45480), (758, 41640), (1041, 30320), (1137, 27760), (1388, 22740), (1516, 20820), (1735, 18192), (1895, 16656), (2082, 15160), (2274, 13880), (2776, 11370), (3032, 10410), (3470, 9096), (3790, 8328), (4164, 7580), (4548, 6940), (5205, 6064), (5552, 5685)]