180813420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{2179}}^1$

素因数の和:2655

約数の個数: 72

約数和(自身を含む): 549909360

約数和(自身を除く): 369095940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 461, 922, 1383, 1844, 2179, 2305, 2766, 4149, 4358, 4610, 5532, 6537, 6915, 8298, 8716, 9220, 10895, 13074, 13830, 16596, 19611, 20745, 21790, 26148, 27660, 32685, 39222, 41490, 43580, 65370, 78444, 82980, 98055, 130740, 196110, 392220, 1004519, 2009038, 3013557, 4018076, 5022595, 6027114, 9040671, 10045190, 12054228, 15067785, 18081342, 20090380, 30135570, 36162684, 45203355, 60271140, 90406710, 180813420]

約数ペア:

[(1, 180813420), (2, 90406710), (3, 60271140), (4, 45203355), (5, 36162684), (6, 30135570), (9, 20090380), (10, 18081342), (12, 15067785), (15, 12054228), (18, 10045190), (20, 9040671), (30, 6027114), (36, 5022595), (45, 4018076), (60, 3013557), (90, 2009038), (180, 1004519), (461, 392220), (922, 196110), (1383, 130740), (1844, 98055), (2179, 82980), (2305, 78444), (2766, 65370), (4149, 43580), (4358, 41490), (4610, 39222), (5532, 32685), (6537, 27660), (6915, 26148), (8298, 21790), (8716, 20745), (9220, 19611), (10895, 16596), (13074, 13830)]