664519968

素因数分解:

$2^5\times 3^2\times 7^4\times {\mathrm{31}}^2$

素因数の和:106

約数の個数: 270

約数和(自身を含む): 2277960867

約数和(自身を除く): 1613440899

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 49, 56, 62, 63, 72, 84, 93, 96, 98, 112, 124, 126, 144, 147, 168, 186, 196, 217, 224, 248, 252, 279, 288, 294, 336, 343, 372, 392, 434, 441, 496, 504, 558, 588, 651, 672, 686, 744, 784, 868, 882, 961, 992, 1008, 1029, 1116, 1176, 1302, 1372, 1488, 1519, 1568, 1736, 1764, 1922, 1953, 2016, 2058, 2232, 2352, 2401, 2604, 2744, 2883, 2976, 3038, 3087, 3472, 3528, 3844, 3906, 4116, 4464, 4557, 4704, 4802, 5208, 5488, 5766, 6076, 6174, 6727, 6944, 7056, 7203, 7688, 7812, 8232, 8649, 8928, 9114, 9604, 10416, 10633, 10976, 11532, 12152, 12348, 13454, 13671, 14112, 14406, 15376, 15624, 16464, 17298, 18228, 19208, 20181, 20832, 21266, 21609, 23064, 24304, 24696, 26908, 27342, 28812, 30752, 31248, 31899, 32928, 34596, 36456, 38416, 40362, 42532, 43218, 46128, 47089, 48608, 49392, 53816, 54684, 57624, 60543, 62496, 63798, 69192, 72912, 74431, 76832, 80724, 85064, 86436, 92256, 94178, 95697, 98784, 107632, 109368, 115248, 121086, 127596, 138384, 141267, 145824, 148862, 161448, 170128, 172872, 188356, 191394, 215264, 218736, 223293, 230496, 242172, 255192, 276768, 282534, 297724, 322896, 329623, 340256, 345744, 376712, 382788, 423801, 437472, 446586, 484344, 510384, 565068, 595448, 645792, 659246, 669879, 691488, 753424, 765576, 847602, 893172, 968688, 988869, 1020768, 1130136, 1190896, 1318492, 1339758, 1506848, 1531152, 1695204, 1786344, 1937376, 1977738, 2260272, 2307361, 2381792, 2636984, 2679516, 2966607, 3062304, 3390408, 3572688, 3955476, 4520544, 4614722, 5273968, 5359032, 5933214, 6780816, 6922083, 7145376, 7910952, 9229444, 10547936, 10718064, 11866428, 13561632, 13844166, 15821904, 18458888, 20766249, 21436128, 23732856, 27688332, 31643808, 36917776, 41532498, 47465712, 55376664, 73835552, 83064996, 94931424, 110753328, 166129992, 221506656, 332259984, 664519968]

約数ペア:

[(1, 664519968), (2, 332259984), (3, 221506656), (4, 166129992), (6, 110753328), (7, 94931424), (8, 83064996), (9, 73835552), (12, 55376664), (14, 47465712), (16, 41532498), (18, 36917776), (21, 31643808), (24, 27688332), (28, 23732856), (31, 21436128), (32, 20766249), (36, 18458888), (42, 15821904), (48, 13844166), (49, 13561632), (56, 11866428), (62, 10718064), (63, 10547936), (72, 9229444), (84, 7910952), (93, 7145376), (96, 6922083), (98, 6780816), (112, 5933214), (124, 5359032), (126, 5273968), (144, 4614722), (147, 4520544), (168, 3955476), (186, 3572688), (196, 3390408), (217, 3062304), (224, 2966607), (248, 2679516), (252, 2636984), (279, 2381792), (288, 2307361), (294, 2260272), (336, 1977738), (343, 1937376), (372, 1786344), (392, 1695204), (434, 1531152), (441, 1506848), (496, 1339758), (504, 1318492), (558, 1190896), (588, 1130136), (651, 1020768), (672, 988869), (686, 968688), (744, 893172), (784, 847602), (868, 765576), (882, 753424), (961, 691488), (992, 669879), (1008, 659246), (1029, 645792), (1116, 595448), (1176, 565068), (1302, 510384), (1372, 484344), (1488, 446586), (1519, 437472), (1568, 423801), (1736, 382788), (1764, 376712), (1922, 345744), (1953, 340256), (2016, 329623), (2058, 322896), (2232, 297724), (2352, 282534), (2401, 276768), (2604, 255192), (2744, 242172), (2883, 230496), (2976, 223293), (3038, 218736), (3087, 215264), (3472, 191394), (3528, 188356), (3844, 172872), (3906, 170128), (4116, 161448), (4464, 148862), (4557, 145824), (4704, 141267), (4802, 138384), (5208, 127596), (5488, 121086), (5766, 115248), (6076, 109368), (6174, 107632), (6727, 98784), (6944, 95697), (7056, 94178), (7203, 92256), (7688, 86436), (7812, 85064), (8232, 80724), (8649, 76832), (8928, 74431), (9114, 72912), (9604, 69192), (10416, 63798), (10633, 62496), (10976, 60543), (11532, 57624), (12152, 54684), (12348, 53816), (13454, 49392), (13671, 48608), (14112, 47089), (14406, 46128), (15376, 43218), (15624, 42532), (16464, 40362), (17298, 38416), (18228, 36456), (19208, 34596), (20181, 32928), (20832, 31899), (21266, 31248), (21609, 30752), (23064, 28812), (24304, 27342), (24696, 26908)]