1640128896

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:326

約数の個数: 384

約数和(自身を含む): 5804697600

約数和(自身を除く): 4164568704

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 32, 36, 37, 42, 46, 48, 56, 63, 64, 69, 72, 74, 84, 92, 96, 111, 112, 126, 128, 138, 144, 148, 161, 168, 184, 192, 207, 222, 224, 239, 252, 259, 276, 288, 296, 322, 333, 336, 368, 384, 414, 444, 448, 478, 483, 504, 518, 552, 576, 592, 644, 666, 672, 717, 736, 777, 828, 851, 888, 896, 956, 966, 1008, 1036, 1104, 1152, 1184, 1288, 1332, 1344, 1434, 1449, 1472, 1554, 1656, 1673, 1702, 1776, 1912, 1932, 2016, 2072, 2151, 2208, 2331, 2368, 2553, 2576, 2664, 2688, 2868, 2898, 2944, 3108, 3312, 3346, 3404, 3552, 3824, 3864, 4032, 4144, 4302, 4416, 4662, 4736, 5019, 5106, 5152, 5328, 5497, 5736, 5796, 5957, 6216, 6624, 6692, 6808, 7104, 7648, 7659, 7728, 8064, 8288, 8604, 8832, 8843, 9324, 10038, 10212, 10304, 10656, 10994, 11472, 11592, 11914, 12432, 13248, 13384, 13616, 14208, 15057, 15296, 15318, 15456, 16491, 16576, 17208, 17686, 17871, 18648, 20076, 20424, 20608, 21312, 21988, 22944, 23184, 23828, 24864, 26496, 26529, 26768, 27232, 30114, 30592, 30636, 30912, 32982, 33152, 34416, 35372, 35742, 37296, 38479, 40152, 40848, 42624, 43976, 45888, 46368, 47656, 49473, 49728, 53058, 53536, 53613, 54464, 60228, 61272, 61824, 61901, 65964, 68832, 70744, 71484, 74592, 76958, 79587, 80304, 81696, 87952, 91776, 92736, 95312, 98946, 99456, 106116, 107072, 107226, 108928, 115437, 120456, 122544, 123802, 131928, 137664, 141488, 142968, 149184, 153916, 159174, 160608, 163392, 175904, 185472, 185703, 190624, 197892, 203389, 212232, 214144, 214452, 230874, 240912, 245088, 247604, 263856, 275328, 282976, 285936, 298368, 307832, 318348, 321216, 326784, 346311, 351808, 371406, 381248, 395784, 406778, 424464, 428904, 461748, 481824, 490176, 495208, 527712, 557109, 565952, 571872, 610167, 615664, 636696, 642432, 692622, 703616, 742812, 762496, 791568, 813556, 848928, 857808, 923496, 963648, 980352, 990416, 1055424, 1114218, 1131904, 1143744, 1220334, 1231328, 1273392, 1385244, 1423723, 1485624, 1583136, 1627112, 1697856, 1715616, 1830501, 1846992, 1927296, 1980832, 2110848, 2228436, 2287488, 2440668, 2462656, 2546784, 2770488, 2847446, 2971248, 3166272, 3254224, 3395712, 3431232, 3661002, 3693984, 3961664, 4271169, 4456872, 4881336, 4925312, 5093568, 5540976, 5694892, 5942496, 6332544, 6508448, 6862464, 7322004, 7387968, 7923328, 8542338, 8913744, 9762672, 10187136, 11081952, 11389784, 11884992, 12813507, 13016896, 14644008, 14775936, 17084676, 17827488, 19525344, 22163904, 22779568, 23769984, 25627014, 26033792, 29288016, 34169352, 35654976, 39050688, 44327808, 45559136, 51254028, 58576032, 68338704, 71309952, 78101376, 91118272, 102508056, 117152064, 136677408, 182236544, 205016112, 234304128, 273354816, 410032224, 546709632, 820064448, 1640128896]

約数ペア:

[(1, 1640128896), (2, 820064448), (3, 546709632), (4, 410032224), (6, 273354816), (7, 234304128), (8, 205016112), (9, 182236544), (12, 136677408), (14, 117152064), (16, 102508056), (18, 91118272), (21, 78101376), (23, 71309952), (24, 68338704), (28, 58576032), (32, 51254028), (36, 45559136), (37, 44327808), (42, 39050688), (46, 35654976), (48, 34169352), (56, 29288016), (63, 26033792), (64, 25627014), (69, 23769984), (72, 22779568), (74, 22163904), (84, 19525344), (92, 17827488), (96, 17084676), (111, 14775936), (112, 14644008), (126, 13016896), (128, 12813507), (138, 11884992), (144, 11389784), (148, 11081952), (161, 10187136), (168, 9762672), (184, 8913744), (192, 8542338), (207, 7923328), (222, 7387968), (224, 7322004), (239, 6862464), (252, 6508448), (259, 6332544), (276, 5942496), (288, 5694892), (296, 5540976), (322, 5093568), (333, 4925312), (336, 4881336), (368, 4456872), (384, 4271169), (414, 3961664), (444, 3693984), (448, 3661002), (478, 3431232), (483, 3395712), (504, 3254224), (518, 3166272), (552, 2971248), (576, 2847446), (592, 2770488), (644, 2546784), (666, 2462656), (672, 2440668), (717, 2287488), (736, 2228436), (777, 2110848), (828, 1980832), (851, 1927296), (888, 1846992), (896, 1830501), (956, 1715616), (966, 1697856), (1008, 1627112), (1036, 1583136), (1104, 1485624), (1152, 1423723), (1184, 1385244), (1288, 1273392), (1332, 1231328), (1344, 1220334), (1434, 1143744), (1449, 1131904), (1472, 1114218), (1554, 1055424), (1656, 990416), (1673, 980352), (1702, 963648), (1776, 923496), (1912, 857808), (1932, 848928), (2016, 813556), (2072, 791568), (2151, 762496), (2208, 742812), (2331, 703616), (2368, 692622), (2553, 642432), (2576, 636696), (2664, 615664), (2688, 610167), (2868, 571872), (2898, 565952), (2944, 557109), (3108, 527712), (3312, 495208), (3346, 490176), (3404, 481824), (3552, 461748), (3824, 428904), (3864, 424464), (4032, 406778), (4144, 395784), (4302, 381248), (4416, 371406), (4662, 351808), (4736, 346311), (5019, 326784), (5106, 321216), (5152, 318348), (5328, 307832), (5497, 298368), (5736, 285936), (5796, 282976), (5957, 275328), (6216, 263856), (6624, 247604), (6692, 245088), (6808, 240912), (7104, 230874), (7648, 214452), (7659, 214144), (7728, 212232), (8064, 203389), (8288, 197892), (8604, 190624), (8832, 185703), (8843, 185472), (9324, 175904), (10038, 163392), (10212, 160608), (10304, 159174), (10656, 153916), (10994, 149184), (11472, 142968), (11592, 141488), (11914, 137664), (12432, 131928), (13248, 123802), (13384, 122544), (13616, 120456), (14208, 115437), (15057, 108928), (15296, 107226), (15318, 107072), (15456, 106116), (16491, 99456), (16576, 98946), (17208, 95312), (17686, 92736), (17871, 91776), (18648, 87952), (20076, 81696), (20424, 80304), (20608, 79587), (21312, 76958), (21988, 74592), (22944, 71484), (23184, 70744), (23828, 68832), (24864, 65964), (26496, 61901), (26529, 61824), (26768, 61272), (27232, 60228), (30114, 54464), (30592, 53613), (30636, 53536), (30912, 53058), (32982, 49728), (33152, 49473), (34416, 47656), (35372, 46368), (35742, 45888), (37296, 43976), (38479, 42624), (40152, 40848)]