40249620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{719}}^1$

素因数の和:1045

約数の個数: 72

約数和(自身を含む): 122653440

約数和(自身を除く): 82403820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 311, 622, 719, 933, 1244, 1438, 1555, 1866, 2157, 2799, 2876, 3110, 3595, 3732, 4314, 4665, 5598, 6220, 6471, 7190, 8628, 9330, 10785, 11196, 12942, 13995, 14380, 18660, 21570, 25884, 27990, 32355, 43140, 55980, 64710, 129420, 223609, 447218, 670827, 894436, 1118045, 1341654, 2012481, 2236090, 2683308, 3354135, 4024962, 4472180, 6708270, 8049924, 10062405, 13416540, 20124810, 40249620]

約数ペア:

[(1, 40249620), (2, 20124810), (3, 13416540), (4, 10062405), (5, 8049924), (6, 6708270), (9, 4472180), (10, 4024962), (12, 3354135), (15, 2683308), (18, 2236090), (20, 2012481), (30, 1341654), (36, 1118045), (45, 894436), (60, 670827), (90, 447218), (180, 223609), (311, 129420), (622, 64710), (719, 55980), (933, 43140), (1244, 32355), (1438, 27990), (1555, 25884), (1866, 21570), (2157, 18660), (2799, 14380), (2876, 13995), (3110, 12942), (3595, 11196), (3732, 10785), (4314, 9330), (4665, 8628), (5598, 7190), (6220, 6471)]