90380080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{643}}^1$

素因数の和:914

約数の個数: 80

約数和(自身を含む): 241484544

約数和(自身を除く): 151104464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 251, 280, 502, 560, 643, 1004, 1255, 1286, 1757, 2008, 2510, 2572, 3215, 3514, 4016, 4501, 5020, 5144, 6430, 7028, 8785, 9002, 10040, 10288, 12860, 14056, 17570, 18004, 20080, 22505, 25720, 28112, 35140, 36008, 45010, 51440, 70280, 72016, 90020, 140560, 161393, 180040, 322786, 360080, 645572, 806965, 1129751, 1291144, 1613930, 2259502, 2582288, 3227860, 4519004, 5648755, 6455720, 9038008, 11297510, 12911440, 18076016, 22595020, 45190040, 90380080]

約数ペア:

[(1, 90380080), (2, 45190040), (4, 22595020), (5, 18076016), (7, 12911440), (8, 11297510), (10, 9038008), (14, 6455720), (16, 5648755), (20, 4519004), (28, 3227860), (35, 2582288), (40, 2259502), (56, 1613930), (70, 1291144), (80, 1129751), (112, 806965), (140, 645572), (251, 360080), (280, 322786), (502, 180040), (560, 161393), (643, 140560), (1004, 90020), (1255, 72016), (1286, 70280), (1757, 51440), (2008, 45010), (2510, 36008), (2572, 35140), (3215, 28112), (3514, 25720), (4016, 22505), (4501, 20080), (5020, 18004), (5144, 17570), (6430, 14056), (7028, 12860), (8785, 10288), (9002, 10040)]