640057248

素因数分解:

$2^5\times 3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1039}}^1$

素因数の和:1112

約数の個数: 192

約数和(自身を含む): 2012774400

約数和(自身を除く): 1372717152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 31, 32, 36, 46, 48, 54, 62, 69, 72, 92, 93, 96, 108, 124, 138, 144, 184, 186, 207, 216, 248, 276, 279, 288, 368, 372, 414, 432, 496, 552, 558, 621, 713, 736, 744, 828, 837, 864, 992, 1039, 1104, 1116, 1242, 1426, 1488, 1656, 1674, 2078, 2139, 2208, 2232, 2484, 2852, 2976, 3117, 3312, 3348, 4156, 4278, 4464, 4968, 5704, 6234, 6417, 6624, 6696, 8312, 8556, 8928, 9351, 9936, 11408, 12468, 12834, 13392, 16624, 17112, 18702, 19251, 19872, 22816, 23897, 24936, 25668, 26784, 28053, 32209, 33248, 34224, 37404, 38502, 47794, 49872, 51336, 56106, 64418, 68448, 71691, 74808, 77004, 95588, 96627, 99744, 102672, 112212, 128836, 143382, 149616, 154008, 191176, 193254, 205344, 215073, 224424, 257672, 286764, 289881, 299232, 308016, 382352, 386508, 430146, 448848, 515344, 573528, 579762, 616032, 645219, 740807, 764704, 773016, 860292, 869643, 897696, 1030688, 1147056, 1159524, 1290438, 1481614, 1546032, 1720584, 1739286, 2222421, 2294112, 2319048, 2580876, 2963228, 3092064, 3441168, 3478572, 4444842, 4638096, 5161752, 5926456, 6667263, 6882336, 6957144, 8889684, 9276192, 10323504, 11852912, 13334526, 13914288, 17779368, 20001789, 20647008, 23705824, 26669052, 27828576, 35558736, 40003578, 53338104, 71117472, 80007156, 106676208, 160014312, 213352416, 320028624, 640057248]

約数ペア:

[(1, 640057248), (2, 320028624), (3, 213352416), (4, 160014312), (6, 106676208), (8, 80007156), (9, 71117472), (12, 53338104), (16, 40003578), (18, 35558736), (23, 27828576), (24, 26669052), (27, 23705824), (31, 20647008), (32, 20001789), (36, 17779368), (46, 13914288), (48, 13334526), (54, 11852912), (62, 10323504), (69, 9276192), (72, 8889684), (92, 6957144), (93, 6882336), (96, 6667263), (108, 5926456), (124, 5161752), (138, 4638096), (144, 4444842), (184, 3478572), (186, 3441168), (207, 3092064), (216, 2963228), (248, 2580876), (276, 2319048), (279, 2294112), (288, 2222421), (368, 1739286), (372, 1720584), (414, 1546032), (432, 1481614), (496, 1290438), (552, 1159524), (558, 1147056), (621, 1030688), (713, 897696), (736, 869643), (744, 860292), (828, 773016), (837, 764704), (864, 740807), (992, 645219), (1039, 616032), (1104, 579762), (1116, 573528), (1242, 515344), (1426, 448848), (1488, 430146), (1656, 386508), (1674, 382352), (2078, 308016), (2139, 299232), (2208, 289881), (2232, 286764), (2484, 257672), (2852, 224424), (2976, 215073), (3117, 205344), (3312, 193254), (3348, 191176), (4156, 154008), (4278, 149616), (4464, 143382), (4968, 128836), (5704, 112212), (6234, 102672), (6417, 99744), (6624, 96627), (6696, 95588), (8312, 77004), (8556, 74808), (8928, 71691), (9351, 68448), (9936, 64418), (11408, 56106), (12468, 51336), (12834, 49872), (13392, 47794), (16624, 38502), (17112, 37404), (18702, 34224), (19251, 33248), (19872, 32209), (22816, 28053), (23897, 26784), (24936, 25668)]