18705480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1607}}^1$

素因数の和:1718

約数の個数: 64

約数和(自身を含む): 56730240

約数和(自身を除く): 38024760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1607, 1940, 2328, 2910, 3214, 3880, 4821, 5820, 6428, 8035, 9642, 11640, 12856, 16070, 19284, 24105, 32140, 38568, 48210, 64280, 96420, 155879, 192840, 311758, 467637, 623516, 779395, 935274, 1247032, 1558790, 1870548, 2338185, 3117580, 3741096, 4676370, 6235160, 9352740, 18705480]

約数ペア:

[(1, 18705480), (2, 9352740), (3, 6235160), (4, 4676370), (5, 3741096), (6, 3117580), (8, 2338185), (10, 1870548), (12, 1558790), (15, 1247032), (20, 935274), (24, 779395), (30, 623516), (40, 467637), (60, 311758), (97, 192840), (120, 155879), (194, 96420), (291, 64280), (388, 48210), (485, 38568), (582, 32140), (776, 24105), (970, 19284), (1164, 16070), (1455, 12856), (1607, 11640), (1940, 9642), (2328, 8035), (2910, 6428), (3214, 5820), (3880, 4821)]