280805250540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4680087509}}^1$

素因数の和:4680087521

約数の個数: 24

約数和(自身を含む): 786254701680

約数和(自身を除く): 505449451140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4680087509, 9360175018, 14040262527, 18720350036, 23400437545, 28080525054, 46800875090, 56161050108, 70201312635, 93601750180, 140402625270, 280805250540]

約数ペア:

[(1, 280805250540), (2, 140402625270), (3, 93601750180), (4, 70201312635), (5, 56161050108), (6, 46800875090), (10, 28080525054), (12, 23400437545), (15, 18720350036), (20, 14040262527), (30, 9360175018), (60, 4680087509)]