61440

素因数分解:

$2^{12}\times 3^1\times 5^1$

素因数の和:32

約数の個数: 52

約数和(自身を含む): 196584

約数和(自身を除く): 135144

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, 10240, 12288, 15360, 20480, 30720, 61440]

約数ペア:

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