81406380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11213}}^1$

素因数の和:11247

約数の個数: 72

約数和(自身を含む): 250565616

約数和(自身を除く): 169159236

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 3630, 7260, 11213, 22426, 33639, 44852, 56065, 67278, 112130, 123343, 134556, 168195, 224260, 246686, 336390, 370029, 493372, 616715, 672780, 740058, 1233430, 1356773, 1480116, 1850145, 2466860, 2713546, 3700290, 4070319, 5427092, 6783865, 7400580, 8140638, 13567730, 16281276, 20351595, 27135460, 40703190, 81406380]

約数ペア:

[(1, 81406380), (2, 40703190), (3, 27135460), (4, 20351595), (5, 16281276), (6, 13567730), (10, 8140638), (11, 7400580), (12, 6783865), (15, 5427092), (20, 4070319), (22, 3700290), (30, 2713546), (33, 2466860), (44, 1850145), (55, 1480116), (60, 1356773), (66, 1233430), (110, 740058), (121, 672780), (132, 616715), (165, 493372), (220, 370029), (242, 336390), (330, 246686), (363, 224260), (484, 168195), (605, 134556), (660, 123343), (726, 112130), (1210, 67278), (1452, 56065), (1815, 44852), (2420, 33639), (3630, 22426), (7260, 11213)]