72681232

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 163114560

約数和(自身を除く): 90433328

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 53, 76, 104, 106, 152, 208, 212, 247, 304, 347, 424, 494, 689, 694, 848, 988, 1007, 1378, 1388, 1976, 2014, 2756, 2776, 3952, 4028, 4511, 5512, 5552, 6593, 8056, 9022, 11024, 13091, 13186, 16112, 18044, 18391, 26182, 26372, 36088, 36782, 52364, 52744, 72176, 73564, 85709, 104728, 105488, 147128, 171418, 209456, 239083, 294256, 342836, 349429, 478166, 685672, 698858, 956332, 1371344, 1397716, 1912664, 2795432, 3825328, 4542577, 5590864, 9085154, 18170308, 36340616, 72681232]

約数ペア:

[(1, 72681232), (2, 36340616), (4, 18170308), (8, 9085154), (13, 5590864), (16, 4542577), (19, 3825328), (26, 2795432), (38, 1912664), (52, 1397716), (53, 1371344), (76, 956332), (104, 698858), (106, 685672), (152, 478166), (208, 349429), (212, 342836), (247, 294256), (304, 239083), (347, 209456), (424, 171418), (494, 147128), (689, 105488), (694, 104728), (848, 85709), (988, 73564), (1007, 72176), (1378, 52744), (1388, 52364), (1976, 36782), (2014, 36088), (2756, 26372), (2776, 26182), (3952, 18391), (4028, 18044), (4511, 16112), (5512, 13186), (5552, 13091), (6593, 11024), (8056, 9022)]