61723980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2503}}^1$

素因数の和:2655

約数の個数: 72

約数和(自身を含む): 188671392

約数和(自身を除く): 126947412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1233, 1370, 1644, 2055, 2466, 2503, 2740, 4110, 4932, 5006, 6165, 7509, 8220, 10012, 12330, 12515, 15018, 22527, 24660, 25030, 30036, 37545, 45054, 50060, 75090, 90108, 112635, 150180, 225270, 342911, 450540, 685822, 1028733, 1371644, 1714555, 2057466, 3086199, 3429110, 4114932, 5143665, 6172398, 6858220, 10287330, 12344796, 15430995, 20574660, 30861990, 61723980]

約数ペア:

[(1, 61723980), (2, 30861990), (3, 20574660), (4, 15430995), (5, 12344796), (6, 10287330), (9, 6858220), (10, 6172398), (12, 5143665), (15, 4114932), (18, 3429110), (20, 3086199), (30, 2057466), (36, 1714555), (45, 1371644), (60, 1028733), (90, 685822), (137, 450540), (180, 342911), (274, 225270), (411, 150180), (548, 112635), (685, 90108), (822, 75090), (1233, 50060), (1370, 45054), (1644, 37545), (2055, 30036), (2466, 25030), (2503, 24660), (2740, 22527), (4110, 15018), (4932, 12515), (5006, 12330), (6165, 10012), (7509, 8220)]