30729280

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{881}}^1$

素因数の和:1007

約数の個数: 56

約数和(自身を含む): 73929240

約数和(自身を除く): 43199960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 545, 872, 881, 1090, 1744, 1762, 2180, 3488, 3524, 4360, 4405, 6976, 7048, 8720, 8810, 14096, 17440, 17620, 28192, 34880, 35240, 56384, 70480, 96029, 140960, 192058, 281920, 384116, 480145, 768232, 960290, 1536464, 1920580, 3072928, 3841160, 6145856, 7682320, 15364640, 30729280]

約数ペア:

[(1, 30729280), (2, 15364640), (4, 7682320), (5, 6145856), (8, 3841160), (10, 3072928), (16, 1920580), (20, 1536464), (32, 960290), (40, 768232), (64, 480145), (80, 384116), (109, 281920), (160, 192058), (218, 140960), (320, 96029), (436, 70480), (545, 56384), (872, 35240), (881, 34880), (1090, 28192), (1744, 17620), (1762, 17440), (2180, 14096), (3488, 8810), (3524, 8720), (4360, 7048), (4405, 6976)]