81229728

素因数分解:

$2^5\times 3^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:326

約数の個数: 96

約数和(自身を含む): 220643136

約数和(自身を除く): 139413408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 67, 73, 96, 134, 146, 173, 201, 219, 268, 292, 346, 402, 438, 519, 536, 584, 692, 804, 876, 1038, 1072, 1168, 1384, 1608, 1752, 2076, 2144, 2336, 2768, 3216, 3504, 4152, 4891, 5536, 6432, 7008, 8304, 9782, 11591, 12629, 14673, 16608, 19564, 23182, 25258, 29346, 34773, 37887, 39128, 46364, 50516, 58692, 69546, 75774, 78256, 92728, 101032, 117384, 139092, 151548, 156512, 185456, 202064, 234768, 278184, 303096, 370912, 404128, 469536, 556368, 606192, 846143, 1112736, 1212384, 1692286, 2538429, 3384572, 5076858, 6769144, 10153716, 13538288, 20307432, 27076576, 40614864, 81229728]

約数ペア:

[(1, 81229728), (2, 40614864), (3, 27076576), (4, 20307432), (6, 13538288), (8, 10153716), (12, 6769144), (16, 5076858), (24, 3384572), (32, 2538429), (48, 1692286), (67, 1212384), (73, 1112736), (96, 846143), (134, 606192), (146, 556368), (173, 469536), (201, 404128), (219, 370912), (268, 303096), (292, 278184), (346, 234768), (402, 202064), (438, 185456), (519, 156512), (536, 151548), (584, 139092), (692, 117384), (804, 101032), (876, 92728), (1038, 78256), (1072, 75774), (1168, 69546), (1384, 58692), (1608, 50516), (1752, 46364), (2076, 39128), (2144, 37887), (2336, 34773), (2768, 29346), (3216, 25258), (3504, 23182), (4152, 19564), (4891, 16608), (5536, 14673), (6432, 12629), (7008, 11591), (8304, 9782)]