820551648

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:406

約数の個数: 288

約数和(自身を含む): 2746856448

約数和(自身を除く): 1926304800

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 31, 32, 34, 42, 48, 49, 51, 56, 62, 68, 84, 93, 96, 98, 102, 112, 119, 124, 136, 147, 168, 186, 196, 204, 217, 224, 238, 248, 272, 294, 331, 336, 357, 372, 392, 408, 434, 476, 496, 527, 544, 588, 651, 662, 672, 714, 744, 784, 816, 833, 868, 952, 992, 993, 1054, 1176, 1302, 1324, 1428, 1488, 1519, 1568, 1581, 1632, 1666, 1736, 1904, 1986, 2108, 2317, 2352, 2499, 2604, 2648, 2856, 2976, 3038, 3162, 3332, 3472, 3689, 3808, 3972, 4216, 4557, 4634, 4704, 4998, 5208, 5296, 5627, 5712, 6076, 6324, 6664, 6944, 6951, 7378, 7944, 8432, 9114, 9268, 9996, 10261, 10416, 10592, 11067, 11254, 11424, 12152, 12648, 13328, 13902, 14756, 15888, 16219, 16864, 16881, 18228, 18536, 19992, 20522, 20832, 22134, 22508, 24304, 25296, 25823, 26656, 27804, 29512, 30783, 31776, 32438, 33762, 36456, 37072, 39389, 39984, 41044, 44268, 45016, 48608, 48657, 50592, 51646, 55608, 59024, 61566, 64876, 67524, 71827, 72912, 74144, 77469, 78778, 79968, 82088, 88536, 90032, 97314, 103292, 111216, 118048, 118167, 123132, 129752, 135048, 143654, 145824, 154938, 157556, 164176, 174437, 177072, 180064, 194628, 206584, 215481, 222432, 236334, 246264, 259504, 270096, 275723, 287308, 309876, 315112, 328352, 348874, 354144, 389256, 413168, 430962, 472668, 492528, 502789, 519008, 523311, 540192, 551446, 574616, 619752, 630224, 697748, 778512, 826336, 827169, 861924, 945336, 985056, 1005578, 1046622, 1102892, 1149232, 1221059, 1239504, 1260448, 1395496, 1508367, 1557024, 1654338, 1723848, 1890672, 2011156, 2093244, 2205784, 2298464, 2442118, 2479008, 2790992, 3016734, 3308676, 3447696, 3663177, 3781344, 4022312, 4186488, 4411568, 4884236, 5581984, 6033468, 6617352, 6895392, 7326354, 8044624, 8372976, 8547413, 8823136, 9768472, 12066936, 13234704, 14652708, 16089248, 16745952, 17094826, 19536944, 24133872, 25642239, 26469408, 29305416, 34189652, 39073888, 48267744, 51284478, 58610832, 68379304, 102568956, 117221664, 136758608, 205137912, 273517216, 410275824, 820551648]

約数ペア:

[(1, 820551648), (2, 410275824), (3, 273517216), (4, 205137912), (6, 136758608), (7, 117221664), (8, 102568956), (12, 68379304), (14, 58610832), (16, 51284478), (17, 48267744), (21, 39073888), (24, 34189652), (28, 29305416), (31, 26469408), (32, 25642239), (34, 24133872), (42, 19536944), (48, 17094826), (49, 16745952), (51, 16089248), (56, 14652708), (62, 13234704), (68, 12066936), (84, 9768472), (93, 8823136), (96, 8547413), (98, 8372976), (102, 8044624), (112, 7326354), (119, 6895392), (124, 6617352), (136, 6033468), (147, 5581984), (168, 4884236), (186, 4411568), (196, 4186488), (204, 4022312), (217, 3781344), (224, 3663177), (238, 3447696), (248, 3308676), (272, 3016734), (294, 2790992), (331, 2479008), (336, 2442118), (357, 2298464), (372, 2205784), (392, 2093244), (408, 2011156), (434, 1890672), (476, 1723848), (496, 1654338), (527, 1557024), (544, 1508367), (588, 1395496), (651, 1260448), (662, 1239504), (672, 1221059), (714, 1149232), (744, 1102892), (784, 1046622), (816, 1005578), (833, 985056), (868, 945336), (952, 861924), (992, 827169), (993, 826336), (1054, 778512), (1176, 697748), (1302, 630224), (1324, 619752), (1428, 574616), (1488, 551446), (1519, 540192), (1568, 523311), (1581, 519008), (1632, 502789), (1666, 492528), (1736, 472668), (1904, 430962), (1986, 413168), (2108, 389256), (2317, 354144), (2352, 348874), (2499, 328352), (2604, 315112), (2648, 309876), (2856, 287308), (2976, 275723), (3038, 270096), (3162, 259504), (3332, 246264), (3472, 236334), (3689, 222432), (3808, 215481), (3972, 206584), (4216, 194628), (4557, 180064), (4634, 177072), (4704, 174437), (4998, 164176), (5208, 157556), (5296, 154938), (5627, 145824), (5712, 143654), (6076, 135048), (6324, 129752), (6664, 123132), (6944, 118167), (6951, 118048), (7378, 111216), (7944, 103292), (8432, 97314), (9114, 90032), (9268, 88536), (9996, 82088), (10261, 79968), (10416, 78778), (10592, 77469), (11067, 74144), (11254, 72912), (11424, 71827), (12152, 67524), (12648, 64876), (13328, 61566), (13902, 59024), (14756, 55608), (15888, 51646), (16219, 50592), (16864, 48657), (16881, 48608), (18228, 45016), (18536, 44268), (19992, 41044), (20522, 39984), (20832, 39389), (22134, 37072), (22508, 36456), (24304, 33762), (25296, 32438), (25823, 31776), (26656, 30783), (27804, 29512)]