639993312

素因数分解:

$2^5\times 3^4\times 7^2\times {\mathrm{5039}}^1$

素因数の和:5075

約数の個数: 180

約数和(自身を含む): 2189935440

約数和(自身を除く): 1549942128

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 81, 84, 96, 98, 108, 112, 126, 144, 147, 162, 168, 189, 196, 216, 224, 252, 288, 294, 324, 336, 378, 392, 432, 441, 504, 567, 588, 648, 672, 756, 784, 864, 882, 1008, 1134, 1176, 1296, 1323, 1512, 1568, 1764, 2016, 2268, 2352, 2592, 2646, 3024, 3528, 3969, 4536, 4704, 5039, 5292, 6048, 7056, 7938, 9072, 10078, 10584, 14112, 15117, 15876, 18144, 20156, 21168, 30234, 31752, 35273, 40312, 42336, 45351, 60468, 63504, 70546, 80624, 90702, 105819, 120936, 127008, 136053, 141092, 161248, 181404, 211638, 241872, 246911, 272106, 282184, 317457, 362808, 408159, 423276, 483744, 493822, 544212, 564368, 634914, 725616, 740733, 816318, 846552, 952371, 987644, 1088424, 1128736, 1269828, 1451232, 1481466, 1632636, 1693104, 1904742, 1975288, 2176848, 2222199, 2539656, 2857113, 2962932, 3265272, 3386208, 3809484, 3950576, 4353696, 4444398, 5079312, 5714226, 5925864, 6530544, 6666597, 7618968, 7901152, 8888796, 10158624, 11428452, 11851728, 13061088, 13333194, 15237936, 17777592, 19999791, 22856904, 23703456, 26666388, 30475872, 35555184, 39999582, 45713808, 53332776, 71110368, 79999164, 91427616, 106665552, 159998328, 213331104, 319996656, 639993312]

約数ペア:

[(1, 639993312), (2, 319996656), (3, 213331104), (4, 159998328), (6, 106665552), (7, 91427616), (8, 79999164), (9, 71110368), (12, 53332776), (14, 45713808), (16, 39999582), (18, 35555184), (21, 30475872), (24, 26666388), (27, 23703456), (28, 22856904), (32, 19999791), (36, 17777592), (42, 15237936), (48, 13333194), (49, 13061088), (54, 11851728), (56, 11428452), (63, 10158624), (72, 8888796), (81, 7901152), (84, 7618968), (96, 6666597), (98, 6530544), (108, 5925864), (112, 5714226), (126, 5079312), (144, 4444398), (147, 4353696), (162, 3950576), (168, 3809484), (189, 3386208), (196, 3265272), (216, 2962932), (224, 2857113), (252, 2539656), (288, 2222199), (294, 2176848), (324, 1975288), (336, 1904742), (378, 1693104), (392, 1632636), (432, 1481466), (441, 1451232), (504, 1269828), (567, 1128736), (588, 1088424), (648, 987644), (672, 952371), (756, 846552), (784, 816318), (864, 740733), (882, 725616), (1008, 634914), (1134, 564368), (1176, 544212), (1296, 493822), (1323, 483744), (1512, 423276), (1568, 408159), (1764, 362808), (2016, 317457), (2268, 282184), (2352, 272106), (2592, 246911), (2646, 241872), (3024, 211638), (3528, 181404), (3969, 161248), (4536, 141092), (4704, 136053), (5039, 127008), (5292, 120936), (6048, 105819), (7056, 90702), (7938, 80624), (9072, 70546), (10078, 63504), (10584, 60468), (14112, 45351), (15117, 42336), (15876, 40312), (18144, 35273), (20156, 31752), (21168, 30234)]