491520

素因数分解:

$2^{15}\times 3^1\times 5^1$

素因数の和:38

約数の個数: 64

約数和(自身を含む): 1572840

約数和(自身を除く): 1081320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2048, 2560, 3072, 3840, 4096, 5120, 6144, 7680, 8192, 10240, 12288, 15360, 16384, 20480, 24576, 30720, 32768, 40960, 49152, 61440, 81920, 98304, 122880, 163840, 245760, 491520]

約数ペア:

[(1, 491520), (2, 245760), (3, 163840), (4, 122880), (5, 98304), (6, 81920), (8, 61440), (10, 49152), (12, 40960), (15, 32768), (16, 30720), (20, 24576), (24, 20480), (30, 16384), (32, 15360), (40, 12288), (48, 10240), (60, 8192), (64, 7680), (80, 6144), (96, 5120), (120, 4096), (128, 3840), (160, 3072), (192, 2560), (240, 2048), (256, 1920), (320, 1536), (384, 1280), (480, 1024), (512, 960), (640, 768)]