81851472

素因数分解:

$2^4\times 3^4\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:618

約数の個数: 100

約数和(自身を含む): 239148756

約数和(自身を除く): 157297284

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 137, 144, 162, 216, 274, 324, 411, 432, 461, 548, 648, 822, 922, 1096, 1233, 1296, 1383, 1644, 1844, 2192, 2466, 2766, 3288, 3688, 3699, 4149, 4932, 5532, 6576, 7376, 7398, 8298, 9864, 11064, 11097, 12447, 14796, 16596, 19728, 22128, 22194, 24894, 29592, 33192, 37341, 44388, 49788, 59184, 63157, 66384, 74682, 88776, 99576, 126314, 149364, 177552, 189471, 199152, 252628, 298728, 378942, 505256, 568413, 597456, 757884, 1010512, 1136826, 1515768, 1705239, 2273652, 3031536, 3410478, 4547304, 5115717, 6820956, 9094608, 10231434, 13641912, 20462868, 27283824, 40925736, 81851472]

約数ペア:

[(1, 81851472), (2, 40925736), (3, 27283824), (4, 20462868), (6, 13641912), (8, 10231434), (9, 9094608), (12, 6820956), (16, 5115717), (18, 4547304), (24, 3410478), (27, 3031536), (36, 2273652), (48, 1705239), (54, 1515768), (72, 1136826), (81, 1010512), (108, 757884), (137, 597456), (144, 568413), (162, 505256), (216, 378942), (274, 298728), (324, 252628), (411, 199152), (432, 189471), (461, 177552), (548, 149364), (648, 126314), (822, 99576), (922, 88776), (1096, 74682), (1233, 66384), (1296, 63157), (1383, 59184), (1644, 49788), (1844, 44388), (2192, 37341), (2466, 33192), (2766, 29592), (3288, 24894), (3688, 22194), (3699, 22128), (4149, 19728), (4932, 16596), (5532, 14796), (6576, 12447), (7376, 11097), (7398, 11064), (8298, 9864)]