81301968

素因数分解:

$2^4\times 3^5\times {\mathrm{11}}^1\times {\mathrm{1901}}^1$

素因数の和:1935

約数の個数: 120

約数和(自身を含む): 257546016

約数和(自身を除く): 176244048

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 81, 88, 99, 108, 132, 144, 162, 176, 198, 216, 243, 264, 297, 324, 396, 432, 486, 528, 594, 648, 792, 891, 972, 1188, 1296, 1584, 1782, 1901, 1944, 2376, 2673, 3564, 3802, 3888, 4752, 5346, 5703, 7128, 7604, 10692, 11406, 14256, 15208, 17109, 20911, 21384, 22812, 30416, 34218, 41822, 42768, 45624, 51327, 62733, 68436, 83644, 91248, 102654, 125466, 136872, 153981, 167288, 188199, 205308, 250932, 273744, 307962, 334576, 376398, 410616, 461943, 501864, 564597, 615924, 752796, 821232, 923886, 1003728, 1129194, 1231848, 1505592, 1693791, 1847772, 2258388, 2463696, 3011184, 3387582, 3695544, 4516776, 5081373, 6775164, 7391088, 9033552, 10162746, 13550328, 20325492, 27100656, 40650984, 81301968]

約数ペア:

[(1, 81301968), (2, 40650984), (3, 27100656), (4, 20325492), (6, 13550328), (8, 10162746), (9, 9033552), (11, 7391088), (12, 6775164), (16, 5081373), (18, 4516776), (22, 3695544), (24, 3387582), (27, 3011184), (33, 2463696), (36, 2258388), (44, 1847772), (48, 1693791), (54, 1505592), (66, 1231848), (72, 1129194), (81, 1003728), (88, 923886), (99, 821232), (108, 752796), (132, 615924), (144, 564597), (162, 501864), (176, 461943), (198, 410616), (216, 376398), (243, 334576), (264, 307962), (297, 273744), (324, 250932), (396, 205308), (432, 188199), (486, 167288), (528, 153981), (594, 136872), (648, 125466), (792, 102654), (891, 91248), (972, 83644), (1188, 68436), (1296, 62733), (1584, 51327), (1782, 45624), (1901, 42768), (1944, 41822), (2376, 34218), (2673, 30416), (3564, 22812), (3802, 21384), (3888, 20911), (4752, 17109), (5346, 15208), (5703, 14256), (7128, 11406), (7604, 10692)]