18688320

素因数分解:

$2^6\times 3^4\times 5^1\times 7^1\times {\mathrm{103}}^1$

素因数の和:139

約数の個数: 280

約数和(自身を含む): 76712064

約数和(自身を除く): 58023744

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 103, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 192, 206, 210, 216, 224, 240, 252, 270, 280, 288, 309, 315, 320, 324, 336, 360, 378, 405, 412, 420, 432, 448, 480, 504, 515, 540, 560, 567, 576, 618, 630, 648, 672, 720, 721, 756, 810, 824, 840, 864, 927, 945, 960, 1008, 1030, 1080, 1120, 1134, 1236, 1260, 1296, 1344, 1440, 1442, 1512, 1545, 1620, 1648, 1680, 1728, 1854, 1890, 2016, 2060, 2160, 2163, 2240, 2268, 2472, 2520, 2592, 2781, 2835, 2880, 2884, 3024, 3090, 3240, 3296, 3360, 3605, 3708, 3780, 4032, 4120, 4320, 4326, 4536, 4635, 4944, 5040, 5184, 5562, 5670, 5768, 6048, 6180, 6480, 6489, 6592, 6720, 7210, 7416, 7560, 8240, 8343, 8640, 8652, 9072, 9270, 9888, 10080, 10815, 11124, 11340, 11536, 12096, 12360, 12960, 12978, 13905, 14420, 14832, 15120, 16480, 16686, 17304, 18144, 18540, 19467, 19776, 20160, 21630, 22248, 22680, 23072, 24720, 25920, 25956, 27810, 28840, 29664, 30240, 32445, 32960, 33372, 34608, 36288, 37080, 38934, 41715, 43260, 44496, 45360, 46144, 49440, 51912, 55620, 57680, 58401, 59328, 60480, 64890, 66744, 69216, 74160, 77868, 83430, 86520, 88992, 90720, 97335, 98880, 103824, 111240, 115360, 116802, 129780, 133488, 138432, 148320, 155736, 166860, 173040, 177984, 181440, 194670, 207648, 222480, 230720, 233604, 259560, 266976, 292005, 296640, 311472, 333720, 346080, 389340, 415296, 444960, 467208, 519120, 533952, 584010, 622944, 667440, 692160, 778680, 889920, 934416, 1038240, 1168020, 1245888, 1334880, 1557360, 1868832, 2076480, 2336040, 2669760, 3114720, 3737664, 4672080, 6229440, 9344160, 18688320]

約数ペア:

[(1, 18688320), (2, 9344160), (3, 6229440), (4, 4672080), (5, 3737664), (6, 3114720), (7, 2669760), (8, 2336040), (9, 2076480), (10, 1868832), (12, 1557360), (14, 1334880), (15, 1245888), (16, 1168020), (18, 1038240), (20, 934416), (21, 889920), (24, 778680), (27, 692160), (28, 667440), (30, 622944), (32, 584010), (35, 533952), (36, 519120), (40, 467208), (42, 444960), (45, 415296), (48, 389340), (54, 346080), (56, 333720), (60, 311472), (63, 296640), (64, 292005), (70, 266976), (72, 259560), (80, 233604), (81, 230720), (84, 222480), (90, 207648), (96, 194670), (103, 181440), (105, 177984), (108, 173040), (112, 166860), (120, 155736), (126, 148320), (135, 138432), (140, 133488), (144, 129780), (160, 116802), (162, 115360), (168, 111240), (180, 103824), (189, 98880), (192, 97335), (206, 90720), (210, 88992), (216, 86520), (224, 83430), (240, 77868), (252, 74160), (270, 69216), (280, 66744), (288, 64890), (309, 60480), (315, 59328), (320, 58401), (324, 57680), (336, 55620), (360, 51912), (378, 49440), (405, 46144), (412, 45360), (420, 44496), (432, 43260), (448, 41715), (480, 38934), (504, 37080), (515, 36288), (540, 34608), (560, 33372), (567, 32960), (576, 32445), (618, 30240), (630, 29664), (648, 28840), (672, 27810), (720, 25956), (721, 25920), (756, 24720), (810, 23072), (824, 22680), (840, 22248), (864, 21630), (927, 20160), (945, 19776), (960, 19467), (1008, 18540), (1030, 18144), (1080, 17304), (1120, 16686), (1134, 16480), (1236, 15120), (1260, 14832), (1296, 14420), (1344, 13905), (1440, 12978), (1442, 12960), (1512, 12360), (1545, 12096), (1620, 11536), (1648, 11340), (1680, 11124), (1728, 10815), (1854, 10080), (1890, 9888), (2016, 9270), (2060, 9072), (2160, 8652), (2163, 8640), (2240, 8343), (2268, 8240), (2472, 7560), (2520, 7416), (2592, 7210), (2781, 6720), (2835, 6592), (2880, 6489), (2884, 6480), (3024, 6180), (3090, 6048), (3240, 5768), (3296, 5670), (3360, 5562), (3605, 5184), (3708, 5040), (3780, 4944), (4032, 4635), (4120, 4536), (4320, 4326)]