81531072

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:375

約数の個数: 168

約数和(自身を含む): 271714976

約数和(自身を除く): 190183904

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 73, 84, 96, 112, 126, 144, 146, 168, 192, 219, 224, 252, 277, 288, 292, 336, 438, 448, 504, 511, 554, 576, 584, 657, 672, 831, 876, 1008, 1022, 1108, 1168, 1314, 1344, 1533, 1662, 1752, 1939, 2016, 2044, 2216, 2336, 2493, 2628, 3066, 3324, 3504, 3878, 4032, 4088, 4432, 4599, 4672, 4986, 5256, 5817, 6132, 6648, 7008, 7756, 8176, 8864, 9198, 9972, 10512, 11634, 12264, 13296, 14016, 15512, 16352, 17451, 17728, 18396, 19944, 20221, 21024, 23268, 24528, 26592, 31024, 32704, 34902, 36792, 39888, 40442, 42048, 46536, 49056, 53184, 60663, 62048, 69804, 73584, 79776, 80884, 93072, 98112, 121326, 124096, 139608, 141547, 147168, 159552, 161768, 181989, 186144, 242652, 279216, 283094, 294336, 323536, 363978, 372288, 424641, 485304, 558432, 566188, 647072, 727956, 849282, 970608, 1116864, 1132376, 1273923, 1294144, 1455912, 1698564, 1941216, 2264752, 2547846, 2911824, 3397128, 3882432, 4529504, 5095692, 5823648, 6794256, 9059008, 10191384, 11647296, 13588512, 20382768, 27177024, 40765536, 81531072]

約数ペア:

[(1, 81531072), (2, 40765536), (3, 27177024), (4, 20382768), (6, 13588512), (7, 11647296), (8, 10191384), (9, 9059008), (12, 6794256), (14, 5823648), (16, 5095692), (18, 4529504), (21, 3882432), (24, 3397128), (28, 2911824), (32, 2547846), (36, 2264752), (42, 1941216), (48, 1698564), (56, 1455912), (63, 1294144), (64, 1273923), (72, 1132376), (73, 1116864), (84, 970608), (96, 849282), (112, 727956), (126, 647072), (144, 566188), (146, 558432), (168, 485304), (192, 424641), (219, 372288), (224, 363978), (252, 323536), (277, 294336), (288, 283094), (292, 279216), (336, 242652), (438, 186144), (448, 181989), (504, 161768), (511, 159552), (554, 147168), (576, 141547), (584, 139608), (657, 124096), (672, 121326), (831, 98112), (876, 93072), (1008, 80884), (1022, 79776), (1108, 73584), (1168, 69804), (1314, 62048), (1344, 60663), (1533, 53184), (1662, 49056), (1752, 46536), (1939, 42048), (2016, 40442), (2044, 39888), (2216, 36792), (2336, 34902), (2493, 32704), (2628, 31024), (3066, 26592), (3324, 24528), (3504, 23268), (3878, 21024), (4032, 20221), (4088, 19944), (4432, 18396), (4599, 17728), (4672, 17451), (4986, 16352), (5256, 15512), (5817, 14016), (6132, 13296), (6648, 12264), (7008, 11634), (7756, 10512), (8176, 9972), (8864, 9198)]