15001420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1291}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 36465408

約数和(自身を除く): 21463988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1291, 1660, 2324, 2582, 2905, 5164, 5810, 6455, 9037, 11620, 12910, 18074, 25820, 36148, 45185, 90370, 107153, 180740, 214306, 428612, 535765, 750071, 1071530, 1500142, 2143060, 3000284, 3750355, 7500710, 15001420]

約数ペア:

[(1, 15001420), (2, 7500710), (4, 3750355), (5, 3000284), (7, 2143060), (10, 1500142), (14, 1071530), (20, 750071), (28, 535765), (35, 428612), (70, 214306), (83, 180740), (140, 107153), (166, 90370), (332, 45185), (415, 36148), (581, 25820), (830, 18074), (1162, 12910), (1291, 11620), (1660, 9037), (2324, 6455), (2582, 5810), (2905, 5164)]