15678218240

素因数分解:

$2^{13}\times 5^1\times {\mathrm{382769}}^1$

素因数の和:382800

約数の個数: 56

約数和(自身を含む): 37625525460

約数和(自身を除く): 21947307220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 4096, 5120, 8192, 10240, 20480, 40960, 382769, 765538, 1531076, 1913845, 3062152, 3827690, 6124304, 7655380, 12248608, 15310760, 24497216, 30621520, 48994432, 61243040, 97988864, 122486080, 195977728, 244972160, 391955456, 489944320, 783910912, 979888640, 1567821824, 1959777280, 3135643648, 3919554560, 7839109120, 15678218240]

約数ペア:

[(1, 15678218240), (2, 7839109120), (4, 3919554560), (5, 3135643648), (8, 1959777280), (10, 1567821824), (16, 979888640), (20, 783910912), (32, 489944320), (40, 391955456), (64, 244972160), (80, 195977728), (128, 122486080), (160, 97988864), (256, 61243040), (320, 48994432), (512, 30621520), (640, 24497216), (1024, 15310760), (1280, 12248608), (2048, 7655380), (2560, 6124304), (4096, 3827690), (5120, 3062152), (8192, 1913845), (10240, 1531076), (20480, 765538), (40960, 382769)]