123742140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{20023}}^1$

素因数の和:20138

約数の個数: 48

約数和(自身を含む): 349859328

約数和(自身を除く): 226117188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 1030, 1236, 1545, 2060, 3090, 6180, 20023, 40046, 60069, 80092, 100115, 120138, 200230, 240276, 300345, 400460, 600690, 1201380, 2062369, 4124738, 6187107, 8249476, 10311845, 12374214, 20623690, 24748428, 30935535, 41247380, 61871070, 123742140]

約数ペア:

[(1, 123742140), (2, 61871070), (3, 41247380), (4, 30935535), (5, 24748428), (6, 20623690), (10, 12374214), (12, 10311845), (15, 8249476), (20, 6187107), (30, 4124738), (60, 2062369), (103, 1201380), (206, 600690), (309, 400460), (412, 300345), (515, 240276), (618, 200230), (1030, 120138), (1236, 100115), (1545, 80092), (2060, 60069), (3090, 40046), (6180, 20023)]