12931440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53881}}^1$

素因数の和:53897

約数の個数: 40

約数和(自身を含む): 40088208

約数和(自身を除く): 27156768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 53881, 107762, 161643, 215524, 269405, 323286, 431048, 538810, 646572, 808215, 862096, 1077620, 1293144, 1616430, 2155240, 2586288, 3232860, 4310480, 6465720, 12931440]

約数ペア:

[(1, 12931440), (2, 6465720), (3, 4310480), (4, 3232860), (5, 2586288), (6, 2155240), (8, 1616430), (10, 1293144), (12, 1077620), (15, 862096), (16, 808215), (20, 646572), (24, 538810), (30, 431048), (40, 323286), (48, 269405), (60, 215524), (80, 161643), (120, 107762), (240, 53881)]