640308480

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:162

約数の個数: 432

約数和(自身を含む): 2466241344

約数和(自身を除く): 1825932864

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 41, 42, 48, 49, 56, 60, 64, 70, 80, 82, 83, 84, 96, 98, 105, 112, 120, 123, 128, 140, 147, 160, 164, 166, 168, 192, 196, 205, 210, 224, 240, 245, 246, 249, 256, 280, 287, 294, 320, 328, 332, 336, 384, 392, 410, 415, 420, 448, 480, 490, 492, 498, 560, 574, 581, 588, 615, 640, 656, 664, 672, 735, 768, 784, 820, 830, 840, 861, 896, 960, 980, 984, 996, 1120, 1148, 1162, 1176, 1230, 1245, 1280, 1312, 1328, 1344, 1435, 1470, 1568, 1640, 1660, 1680, 1722, 1743, 1792, 1920, 1960, 1968, 1992, 2009, 2240, 2296, 2324, 2352, 2460, 2490, 2624, 2656, 2688, 2870, 2905, 2940, 3136, 3280, 3320, 3360, 3403, 3444, 3486, 3840, 3920, 3936, 3984, 4018, 4067, 4305, 4480, 4592, 4648, 4704, 4920, 4980, 5248, 5312, 5376, 5740, 5810, 5880, 6027, 6272, 6560, 6640, 6720, 6806, 6888, 6972, 7840, 7872, 7968, 8036, 8134, 8610, 8715, 8960, 9184, 9296, 9408, 9840, 9960, 10045, 10209, 10496, 10624, 11480, 11620, 11760, 12054, 12201, 12544, 13120, 13280, 13440, 13612, 13776, 13944, 15680, 15744, 15936, 16072, 16268, 17015, 17220, 17430, 18368, 18592, 18816, 19680, 19920, 20090, 20335, 20418, 21248, 22960, 23240, 23520, 23821, 24108, 24402, 26240, 26560, 26880, 27224, 27552, 27888, 30135, 31360, 31488, 31872, 32144, 32536, 34030, 34440, 34860, 36736, 37184, 37632, 39360, 39840, 40180, 40670, 40836, 45920, 46480, 47040, 47642, 48216, 48804, 51045, 52480, 53120, 54448, 55104, 55776, 60270, 61005, 62720, 63744, 64288, 65072, 68060, 68880, 69720, 71463, 73472, 74368, 78720, 79680, 80360, 81340, 81672, 91840, 92960, 94080, 95284, 96432, 97608, 102090, 106240, 108896, 110208, 111552, 119105, 120540, 122010, 128576, 130144, 136120, 137760, 139440, 142926, 148736, 157440, 159360, 160720, 162680, 163344, 166747, 183680, 185920, 188160, 190568, 192864, 195216, 204180, 217792, 220416, 223104, 238210, 241080, 244020, 257152, 260288, 272240, 275520, 278880, 285852, 318720, 321440, 325360, 326688, 333494, 357315, 367360, 371840, 381136, 385728, 390432, 408360, 435584, 446208, 476420, 482160, 488040, 500241, 514304, 520576, 544480, 551040, 557760, 571704, 642880, 650720, 653376, 666988, 714630, 743680, 762272, 771456, 780864, 816720, 833735, 871168, 952840, 964320, 976080, 1000482, 1041152, 1088960, 1102080, 1115520, 1143408, 1285760, 1301440, 1306752, 1333976, 1429260, 1524544, 1542912, 1561728, 1633440, 1667470, 1905680, 1928640, 1952160, 2000964, 2177920, 2231040, 2286816, 2501205, 2571520, 2602880, 2613504, 2667952, 2858520, 3049088, 3123456, 3266880, 3334940, 3811360, 3857280, 3904320, 4001928, 4355840, 4573632, 5002410, 5205760, 5335904, 5717040, 6098176, 6533760, 6669880, 7622720, 7714560, 7808640, 8003856, 9147264, 10004820, 10671808, 11434080, 13067520, 13339760, 15245440, 15617280, 16007712, 18294528, 20009640, 21343616, 22868160, 26679520, 30490880, 32015424, 40019280, 42687232, 45736320, 53359040, 64030848, 80038560, 91472640, 106718080, 128061696, 160077120, 213436160, 320154240, 640308480]

約数ペア:

[(1, 640308480), (2, 320154240), (3, 213436160), (4, 160077120), (5, 128061696), (6, 106718080), (7, 91472640), (8, 80038560), (10, 64030848), (12, 53359040), (14, 45736320), (15, 42687232), (16, 40019280), (20, 32015424), (21, 30490880), (24, 26679520), (28, 22868160), (30, 21343616), (32, 20009640), (35, 18294528), (40, 16007712), (41, 15617280), (42, 15245440), (48, 13339760), (49, 13067520), (56, 11434080), (60, 10671808), (64, 10004820), (70, 9147264), (80, 8003856), (82, 7808640), (83, 7714560), (84, 7622720), (96, 6669880), (98, 6533760), (105, 6098176), (112, 5717040), (120, 5335904), (123, 5205760), (128, 5002410), (140, 4573632), (147, 4355840), (160, 4001928), (164, 3904320), (166, 3857280), (168, 3811360), (192, 3334940), (196, 3266880), (205, 3123456), (210, 3049088), (224, 2858520), (240, 2667952), (245, 2613504), (246, 2602880), (249, 2571520), (256, 2501205), (280, 2286816), (287, 2231040), (294, 2177920), (320, 2000964), (328, 1952160), (332, 1928640), (336, 1905680), (384, 1667470), (392, 1633440), (410, 1561728), (415, 1542912), (420, 1524544), (448, 1429260), (480, 1333976), (490, 1306752), (492, 1301440), (498, 1285760), (560, 1143408), (574, 1115520), (581, 1102080), (588, 1088960), (615, 1041152), (640, 1000482), (656, 976080), (664, 964320), (672, 952840), (735, 871168), (768, 833735), (784, 816720), (820, 780864), (830, 771456), (840, 762272), (861, 743680), (896, 714630), (960, 666988), (980, 653376), (984, 650720), (996, 642880), (1120, 571704), (1148, 557760), (1162, 551040), (1176, 544480), (1230, 520576), (1245, 514304), (1280, 500241), (1312, 488040), (1328, 482160), (1344, 476420), (1435, 446208), (1470, 435584), (1568, 408360), (1640, 390432), (1660, 385728), (1680, 381136), (1722, 371840), (1743, 367360), (1792, 357315), (1920, 333494), (1960, 326688), (1968, 325360), (1992, 321440), (2009, 318720), (2240, 285852), (2296, 278880), (2324, 275520), (2352, 272240), (2460, 260288), (2490, 257152), (2624, 244020), (2656, 241080), (2688, 238210), (2870, 223104), (2905, 220416), (2940, 217792), (3136, 204180), (3280, 195216), (3320, 192864), (3360, 190568), (3403, 188160), (3444, 185920), (3486, 183680), (3840, 166747), (3920, 163344), (3936, 162680), (3984, 160720), (4018, 159360), (4067, 157440), (4305, 148736), (4480, 142926), (4592, 139440), (4648, 137760), (4704, 136120), (4920, 130144), (4980, 128576), (5248, 122010), (5312, 120540), (5376, 119105), (5740, 111552), (5810, 110208), (5880, 108896), (6027, 106240), (6272, 102090), (6560, 97608), (6640, 96432), (6720, 95284), (6806, 94080), (6888, 92960), (6972, 91840), (7840, 81672), (7872, 81340), (7968, 80360), (8036, 79680), (8134, 78720), (8610, 74368), (8715, 73472), (8960, 71463), (9184, 69720), (9296, 68880), (9408, 68060), (9840, 65072), (9960, 64288), (10045, 63744), (10209, 62720), (10496, 61005), (10624, 60270), (11480, 55776), (11620, 55104), (11760, 54448), (12054, 53120), (12201, 52480), (12544, 51045), (13120, 48804), (13280, 48216), (13440, 47642), (13612, 47040), (13776, 46480), (13944, 45920), (15680, 40836), (15744, 40670), (15936, 40180), (16072, 39840), (16268, 39360), (17015, 37632), (17220, 37184), (17430, 36736), (18368, 34860), (18592, 34440), (18816, 34030), (19680, 32536), (19920, 32144), (20090, 31872), (20335, 31488), (20418, 31360), (21248, 30135), (22960, 27888), (23240, 27552), (23520, 27224), (23821, 26880), (24108, 26560), (24402, 26240)]