18260480

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{1019}}^1$

素因数の和:1049

約数の個数: 80

約数和(自身を含む): 50086080

約数和(自身を除く): 31825600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1019, 1120, 1280, 1792, 2038, 2240, 2560, 3584, 4076, 4480, 5095, 7133, 8152, 8960, 10190, 14266, 16304, 17920, 20380, 28532, 32608, 35665, 40760, 57064, 65216, 71330, 81520, 114128, 130432, 142660, 163040, 228256, 260864, 285320, 326080, 456512, 521728, 570640, 652160, 913024, 1141280, 1304320, 1826048, 2282560, 2608640, 3652096, 4565120, 9130240, 18260480]

約数ペア:

[(1, 18260480), (2, 9130240), (4, 4565120), (5, 3652096), (7, 2608640), (8, 2282560), (10, 1826048), (14, 1304320), (16, 1141280), (20, 913024), (28, 652160), (32, 570640), (35, 521728), (40, 456512), (56, 326080), (64, 285320), (70, 260864), (80, 228256), (112, 163040), (128, 142660), (140, 130432), (160, 114128), (224, 81520), (256, 71330), (280, 65216), (320, 57064), (448, 40760), (512, 35665), (560, 32608), (640, 28532), (896, 20380), (1019, 17920), (1120, 16304), (1280, 14266), (1792, 10190), (2038, 8960), (2240, 8152), (2560, 7133), (3584, 5095), (4076, 4480)]