31878090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3191}}^1$

素因数の和:3244

約数の個数: 64

約数和(自身を含む): 87333120

約数和(自身を除く): 55455030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 185, 222, 270, 333, 370, 555, 666, 999, 1110, 1665, 1998, 3191, 3330, 4995, 6382, 9573, 9990, 15955, 19146, 28719, 31910, 47865, 57438, 86157, 95730, 118067, 143595, 172314, 236134, 287190, 354201, 430785, 590335, 708402, 861570, 1062603, 1180670, 1771005, 2125206, 3187809, 3542010, 5313015, 6375618, 10626030, 15939045, 31878090]

約数ペア:

[(1, 31878090), (2, 15939045), (3, 10626030), (5, 6375618), (6, 5313015), (9, 3542010), (10, 3187809), (15, 2125206), (18, 1771005), (27, 1180670), (30, 1062603), (37, 861570), (45, 708402), (54, 590335), (74, 430785), (90, 354201), (111, 287190), (135, 236134), (185, 172314), (222, 143595), (270, 118067), (333, 95730), (370, 86157), (555, 57438), (666, 47865), (999, 31910), (1110, 28719), (1665, 19146), (1998, 15955), (3191, 9990), (3330, 9573), (4995, 6382)]