639146592

素因数分解:

$2^5\times 3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:551

約数の個数: 288

約数和(自身を含む): 2243082240

約数和(自身を除く): 1603935648

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 32, 36, 42, 48, 49, 54, 56, 62, 63, 72, 84, 93, 96, 98, 108, 112, 124, 126, 144, 147, 168, 186, 189, 196, 216, 217, 224, 248, 252, 279, 288, 294, 336, 372, 378, 392, 432, 434, 441, 487, 496, 504, 558, 588, 651, 672, 744, 756, 784, 837, 864, 868, 882, 974, 992, 1008, 1116, 1176, 1302, 1323, 1461, 1488, 1512, 1519, 1568, 1674, 1736, 1764, 1948, 1953, 2016, 2232, 2352, 2604, 2646, 2922, 2976, 3024, 3038, 3348, 3409, 3472, 3528, 3896, 3906, 4383, 4464, 4557, 4704, 5208, 5292, 5844, 5859, 6048, 6076, 6696, 6818, 6944, 7056, 7792, 7812, 8766, 8928, 9114, 10227, 10416, 10584, 11688, 11718, 12152, 13149, 13392, 13636, 13671, 14112, 15097, 15584, 15624, 17532, 18228, 20454, 20832, 21168, 23376, 23436, 23863, 24304, 26298, 26784, 27272, 27342, 30194, 30681, 31248, 35064, 36456, 40908, 41013, 42336, 45291, 46752, 46872, 47726, 48608, 52596, 54544, 54684, 60388, 61362, 62496, 70128, 71589, 72912, 81816, 82026, 90582, 92043, 93744, 95452, 105192, 105679, 109088, 109368, 120776, 122724, 135873, 140256, 143178, 145824, 163632, 164052, 181164, 184086, 187488, 190904, 210384, 211358, 214767, 218736, 241552, 245448, 271746, 286356, 317037, 327264, 328104, 362328, 368172, 381808, 407619, 420768, 422716, 429534, 437472, 483104, 490896, 543492, 572712, 634074, 644301, 656208, 724656, 736344, 739753, 763616, 815238, 845432, 859068, 951111, 981792, 1086984, 1145424, 1268148, 1288602, 1312416, 1449312, 1472688, 1479506, 1630476, 1690864, 1718136, 1902222, 2173968, 2219259, 2290848, 2536296, 2577204, 2853333, 2945376, 2959012, 3260952, 3381728, 3436272, 3804444, 4347936, 4438518, 5072592, 5154408, 5706666, 5918024, 6521904, 6657777, 6872544, 7608888, 8877036, 10145184, 10308816, 11413332, 11836048, 13043808, 13315554, 15217776, 17754072, 19973331, 20617632, 22826664, 23672096, 26631108, 30435552, 35508144, 39946662, 45653328, 53262216, 71016288, 79893324, 91306656, 106524432, 159786648, 213048864, 319573296, 639146592]

約数ペア:

[(1, 639146592), (2, 319573296), (3, 213048864), (4, 159786648), (6, 106524432), (7, 91306656), (8, 79893324), (9, 71016288), (12, 53262216), (14, 45653328), (16, 39946662), (18, 35508144), (21, 30435552), (24, 26631108), (27, 23672096), (28, 22826664), (31, 20617632), (32, 19973331), (36, 17754072), (42, 15217776), (48, 13315554), (49, 13043808), (54, 11836048), (56, 11413332), (62, 10308816), (63, 10145184), (72, 8877036), (84, 7608888), (93, 6872544), (96, 6657777), (98, 6521904), (108, 5918024), (112, 5706666), (124, 5154408), (126, 5072592), (144, 4438518), (147, 4347936), (168, 3804444), (186, 3436272), (189, 3381728), (196, 3260952), (216, 2959012), (217, 2945376), (224, 2853333), (248, 2577204), (252, 2536296), (279, 2290848), (288, 2219259), (294, 2173968), (336, 1902222), (372, 1718136), (378, 1690864), (392, 1630476), (432, 1479506), (434, 1472688), (441, 1449312), (487, 1312416), (496, 1288602), (504, 1268148), (558, 1145424), (588, 1086984), (651, 981792), (672, 951111), (744, 859068), (756, 845432), (784, 815238), (837, 763616), (864, 739753), (868, 736344), (882, 724656), (974, 656208), (992, 644301), (1008, 634074), (1116, 572712), (1176, 543492), (1302, 490896), (1323, 483104), (1461, 437472), (1488, 429534), (1512, 422716), (1519, 420768), (1568, 407619), (1674, 381808), (1736, 368172), (1764, 362328), (1948, 328104), (1953, 327264), (2016, 317037), (2232, 286356), (2352, 271746), (2604, 245448), (2646, 241552), (2922, 218736), (2976, 214767), (3024, 211358), (3038, 210384), (3348, 190904), (3409, 187488), (3472, 184086), (3528, 181164), (3896, 164052), (3906, 163632), (4383, 145824), (4464, 143178), (4557, 140256), (4704, 135873), (5208, 122724), (5292, 120776), (5844, 109368), (5859, 109088), (6048, 105679), (6076, 105192), (6696, 95452), (6818, 93744), (6944, 92043), (7056, 90582), (7792, 82026), (7812, 81816), (8766, 72912), (8928, 71589), (9114, 70128), (10227, 62496), (10416, 61362), (10584, 60388), (11688, 54684), (11718, 54544), (12152, 52596), (13149, 48608), (13392, 47726), (13636, 46872), (13671, 46752), (14112, 45291), (15097, 42336), (15584, 41013), (15624, 40908), (17532, 36456), (18228, 35064), (20454, 31248), (20832, 30681), (21168, 30194), (23376, 27342), (23436, 27272), (23863, 26784), (24304, 26298)]