61578540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2179}}^1$

素因数の和:2351

約数の個数: 72

約数和(自身を含む): 188064240

約数和(自身を除く): 126485700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1570, 1884, 2179, 2355, 2826, 3140, 4358, 4710, 5652, 6537, 7065, 8716, 9420, 10895, 13074, 14130, 19611, 21790, 26148, 28260, 32685, 39222, 43580, 65370, 78444, 98055, 130740, 196110, 342103, 392220, 684206, 1026309, 1368412, 1710515, 2052618, 3078927, 3421030, 4105236, 5131545, 6157854, 6842060, 10263090, 12315708, 15394635, 20526180, 30789270, 61578540]

約数ペア:

[(1, 61578540), (2, 30789270), (3, 20526180), (4, 15394635), (5, 12315708), (6, 10263090), (9, 6842060), (10, 6157854), (12, 5131545), (15, 4105236), (18, 3421030), (20, 3078927), (30, 2052618), (36, 1710515), (45, 1368412), (60, 1026309), (90, 684206), (157, 392220), (180, 342103), (314, 196110), (471, 130740), (628, 98055), (785, 78444), (942, 65370), (1413, 43580), (1570, 39222), (1884, 32685), (2179, 28260), (2355, 26148), (2826, 21790), (3140, 19611), (4358, 14130), (4710, 13074), (5652, 10895), (6537, 9420), (7065, 8716)]