639181872

素因数分解:

$2^4\times 3^2\times 7^3\times {\mathrm{12941}}^1$

素因数の和:12976

約数の個数: 120

約数和(自身を含む): 2086250400

約数和(自身を除く): 1447068528

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, 343, 392, 441, 504, 588, 686, 784, 882, 1008, 1029, 1176, 1372, 1764, 2058, 2352, 2744, 3087, 3528, 4116, 5488, 6174, 7056, 8232, 12348, 12941, 16464, 24696, 25882, 38823, 49392, 51764, 77646, 90587, 103528, 116469, 155292, 181174, 207056, 232938, 271761, 310584, 362348, 465876, 543522, 621168, 634109, 724696, 815283, 931752, 1087044, 1268218, 1449392, 1630566, 1863504, 1902327, 2174088, 2536436, 3261132, 3804654, 4348176, 4438763, 5072872, 5706981, 6522264, 7609308, 8877526, 10145744, 11413962, 13044528, 13316289, 15218616, 17755052, 22827924, 26632578, 30437232, 35510104, 39948867, 45655848, 53265156, 71020208, 79897734, 91311696, 106530312, 159795468, 213060624, 319590936, 639181872]

約数ペア:

[(1, 639181872), (2, 319590936), (3, 213060624), (4, 159795468), (6, 106530312), (7, 91311696), (8, 79897734), (9, 71020208), (12, 53265156), (14, 45655848), (16, 39948867), (18, 35510104), (21, 30437232), (24, 26632578), (28, 22827924), (36, 17755052), (42, 15218616), (48, 13316289), (49, 13044528), (56, 11413962), (63, 10145744), (72, 8877526), (84, 7609308), (98, 6522264), (112, 5706981), (126, 5072872), (144, 4438763), (147, 4348176), (168, 3804654), (196, 3261132), (252, 2536436), (294, 2174088), (336, 1902327), (343, 1863504), (392, 1630566), (441, 1449392), (504, 1268218), (588, 1087044), (686, 931752), (784, 815283), (882, 724696), (1008, 634109), (1029, 621168), (1176, 543522), (1372, 465876), (1764, 362348), (2058, 310584), (2352, 271761), (2744, 232938), (3087, 207056), (3528, 181174), (4116, 155292), (5488, 116469), (6174, 103528), (7056, 90587), (8232, 77646), (12348, 51764), (12941, 49392), (16464, 38823), (24696, 25882)]