15687680

素因数分解:

$2^{13}\times 5^1\times {\mathrm{383}}^1$

素因数の和:414

約数の個数: 56

約数和(自身を含む): 37746432

約数和(自身を除く): 22058752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 383, 512, 640, 766, 1024, 1280, 1532, 1915, 2048, 2560, 3064, 3830, 4096, 5120, 6128, 7660, 8192, 10240, 12256, 15320, 20480, 24512, 30640, 40960, 49024, 61280, 98048, 122560, 196096, 245120, 392192, 490240, 784384, 980480, 1568768, 1960960, 3137536, 3921920, 7843840, 15687680]

約数ペア:

[(1, 15687680), (2, 7843840), (4, 3921920), (5, 3137536), (8, 1960960), (10, 1568768), (16, 980480), (20, 784384), (32, 490240), (40, 392192), (64, 245120), (80, 196096), (128, 122560), (160, 98048), (256, 61280), (320, 49024), (383, 40960), (512, 30640), (640, 24512), (766, 20480), (1024, 15320), (1280, 12256), (1532, 10240), (1915, 8192), (2048, 7660), (2560, 6128), (3064, 5120), (3830, 4096)]