31443960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1669}}^1$

素因数の和:1840

約数の個数: 64

約数和(自身を含む): 94989600

約数和(自身を除く): 63545640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1669, 1884, 2355, 3140, 3338, 3768, 4710, 5007, 6280, 6676, 8345, 9420, 10014, 13352, 16690, 18840, 20028, 25035, 33380, 40056, 50070, 66760, 100140, 200280, 262033, 524066, 786099, 1048132, 1310165, 1572198, 2096264, 2620330, 3144396, 3930495, 5240660, 6288792, 7860990, 10481320, 15721980, 31443960]

約数ペア:

[(1, 31443960), (2, 15721980), (3, 10481320), (4, 7860990), (5, 6288792), (6, 5240660), (8, 3930495), (10, 3144396), (12, 2620330), (15, 2096264), (20, 1572198), (24, 1310165), (30, 1048132), (40, 786099), (60, 524066), (120, 262033), (157, 200280), (314, 100140), (471, 66760), (628, 50070), (785, 40056), (942, 33380), (1256, 25035), (1570, 20028), (1669, 18840), (1884, 16690), (2355, 13352), (3140, 10014), (3338, 9420), (3768, 8345), (4710, 6676), (5007, 6280)]