15902720

素因数分解:

$2^{11}\times 5^1\times {\mathrm{1553}}^1$

素因数の和:1580

約数の個数: 48

約数和(自身を含む): 38181780

約数和(自身を除く): 22279060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 1553, 2048, 2560, 3106, 5120, 6212, 7765, 10240, 12424, 15530, 24848, 31060, 49696, 62120, 99392, 124240, 198784, 248480, 397568, 496960, 795136, 993920, 1590272, 1987840, 3180544, 3975680, 7951360, 15902720]

約数ペア:

[(1, 15902720), (2, 7951360), (4, 3975680), (5, 3180544), (8, 1987840), (10, 1590272), (16, 993920), (20, 795136), (32, 496960), (40, 397568), (64, 248480), (80, 198784), (128, 124240), (160, 99392), (256, 62120), (320, 49696), (512, 31060), (640, 24848), (1024, 15530), (1280, 12424), (1553, 10240), (2048, 7765), (2560, 6212), (3106, 5120)]