30385280

素因数分解:

$2^7\times 5^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 73311480

約数和(自身を除く): 42926200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 241, 320, 394, 482, 640, 788, 964, 985, 1205, 1576, 1928, 1970, 2410, 3152, 3856, 3940, 4820, 6304, 7712, 7880, 9640, 12608, 15424, 15760, 19280, 25216, 30848, 31520, 38560, 47477, 63040, 77120, 94954, 126080, 154240, 189908, 237385, 379816, 474770, 759632, 949540, 1519264, 1899080, 3038528, 3798160, 6077056, 7596320, 15192640, 30385280]

約数ペア:

[(1, 30385280), (2, 15192640), (4, 7596320), (5, 6077056), (8, 3798160), (10, 3038528), (16, 1899080), (20, 1519264), (32, 949540), (40, 759632), (64, 474770), (80, 379816), (128, 237385), (160, 189908), (197, 154240), (241, 126080), (320, 94954), (394, 77120), (482, 63040), (640, 47477), (788, 38560), (964, 31520), (985, 30848), (1205, 25216), (1576, 19280), (1928, 15760), (1970, 15424), (2410, 12608), (3152, 9640), (3856, 7880), (3940, 7712), (4820, 6304)]