81972576

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:653

約数の個数: 144

約数和(自身を含む): 270545184

約数和(自身を除く): 188572608

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 73, 84, 96, 112, 126, 144, 146, 168, 219, 224, 252, 288, 292, 336, 438, 504, 511, 557, 584, 657, 672, 876, 1008, 1022, 1114, 1168, 1314, 1533, 1671, 1752, 2016, 2044, 2228, 2336, 2628, 3066, 3342, 3504, 3899, 4088, 4456, 4599, 5013, 5256, 6132, 6684, 7008, 7798, 8176, 8912, 9198, 10026, 10512, 11697, 12264, 13368, 15596, 16352, 17824, 18396, 20052, 21024, 23394, 24528, 26736, 31192, 35091, 36792, 40104, 40661, 46788, 49056, 53472, 62384, 70182, 73584, 80208, 81322, 93576, 121983, 124768, 140364, 147168, 160416, 162644, 187152, 243966, 280728, 284627, 325288, 365949, 374304, 487932, 561456, 569254, 650576, 731898, 853881, 975864, 1122912, 1138508, 1301152, 1463796, 1707762, 1951728, 2277016, 2561643, 2927592, 3415524, 3903456, 4554032, 5123286, 5855184, 6831048, 9108064, 10246572, 11710368, 13662096, 20493144, 27324192, 40986288, 81972576]

約数ペア:

[(1, 81972576), (2, 40986288), (3, 27324192), (4, 20493144), (6, 13662096), (7, 11710368), (8, 10246572), (9, 9108064), (12, 6831048), (14, 5855184), (16, 5123286), (18, 4554032), (21, 3903456), (24, 3415524), (28, 2927592), (32, 2561643), (36, 2277016), (42, 1951728), (48, 1707762), (56, 1463796), (63, 1301152), (72, 1138508), (73, 1122912), (84, 975864), (96, 853881), (112, 731898), (126, 650576), (144, 569254), (146, 561456), (168, 487932), (219, 374304), (224, 365949), (252, 325288), (288, 284627), (292, 280728), (336, 243966), (438, 187152), (504, 162644), (511, 160416), (557, 147168), (584, 140364), (657, 124768), (672, 121983), (876, 93576), (1008, 81322), (1022, 80208), (1114, 73584), (1168, 70182), (1314, 62384), (1533, 53472), (1671, 49056), (1752, 46788), (2016, 40661), (2044, 40104), (2228, 36792), (2336, 35091), (2628, 31192), (3066, 26736), (3342, 24528), (3504, 23394), (3899, 21024), (4088, 20052), (4456, 18396), (4599, 17824), (5013, 16352), (5256, 15596), (6132, 13368), (6684, 12264), (7008, 11697), (7798, 10512), (8176, 10026), (8912, 9198)]