81278064

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{11519}}^1$

素因数の和:11547

約数の個数: 90

約数和(自身を含む): 264625920

約数和(自身を除く): 183347856

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 3528, 7056, 11519, 23038, 34557, 46076, 69114, 80633, 92152, 103671, 138228, 161266, 184304, 207342, 241899, 276456, 322532, 414684, 483798, 552912, 564431, 645064, 725697, 829368, 967596, 1128862, 1290128, 1451394, 1658736, 1693293, 1935192, 2257724, 2902788, 3386586, 3870384, 4515448, 5079879, 5805576, 6773172, 9030896, 10159758, 11611152, 13546344, 20319516, 27092688, 40639032, 81278064]

約数ペア:

[(1, 81278064), (2, 40639032), (3, 27092688), (4, 20319516), (6, 13546344), (7, 11611152), (8, 10159758), (9, 9030896), (12, 6773172), (14, 5805576), (16, 5079879), (18, 4515448), (21, 3870384), (24, 3386586), (28, 2902788), (36, 2257724), (42, 1935192), (48, 1693293), (49, 1658736), (56, 1451394), (63, 1290128), (72, 1128862), (84, 967596), (98, 829368), (112, 725697), (126, 645064), (144, 564431), (147, 552912), (168, 483798), (196, 414684), (252, 322532), (294, 276456), (336, 241899), (392, 207342), (441, 184304), (504, 161266), (588, 138228), (784, 103671), (882, 92152), (1008, 80633), (1176, 69114), (1764, 46076), (2352, 34557), (3528, 23038), (7056, 11519)]