217585440

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:293

約数の個数: 240

約数和(自身を含む): 780107328

約数和(自身を除く): 562521888

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 103, 108, 120, 135, 144, 160, 162, 163, 180, 206, 216, 240, 270, 288, 309, 324, 326, 360, 405, 412, 432, 480, 489, 515, 540, 618, 648, 652, 720, 810, 815, 824, 864, 927, 978, 1030, 1080, 1236, 1296, 1304, 1440, 1467, 1545, 1620, 1630, 1648, 1854, 1956, 2060, 2160, 2445, 2472, 2592, 2608, 2781, 2934, 3090, 3240, 3260, 3296, 3708, 3912, 4120, 4320, 4401, 4635, 4890, 4944, 5216, 5562, 5868, 6180, 6480, 6520, 7335, 7416, 7824, 8240, 8343, 8802, 9270, 9780, 9888, 11124, 11736, 12360, 12960, 13040, 13203, 13905, 14670, 14832, 15648, 16480, 16686, 16789, 17604, 18540, 19560, 22005, 22248, 23472, 24720, 26080, 26406, 27810, 29340, 29664, 33372, 33578, 35208, 37080, 39120, 41715, 44010, 44496, 46944, 49440, 50367, 52812, 55620, 58680, 66015, 66744, 67156, 70416, 74160, 78240, 83430, 83945, 88020, 88992, 100734, 105624, 111240, 117360, 132030, 133488, 134312, 140832, 148320, 151101, 166860, 167890, 176040, 201468, 211248, 222480, 234720, 251835, 264060, 266976, 268624, 302202, 333720, 335780, 352080, 402936, 422496, 444960, 453303, 503670, 528120, 537248, 604404, 667440, 671560, 704160, 755505, 805872, 906606, 1007340, 1056240, 1208808, 1334880, 1343120, 1359909, 1511010, 1611744, 1813212, 2014680, 2112480, 2266515, 2417616, 2686240, 2719818, 3022020, 3626424, 4029360, 4533030, 4835232, 5439636, 6044040, 6799545, 7252848, 8058720, 9066060, 10879272, 12088080, 13599090, 14505696, 18132120, 21758544, 24176160, 27198180, 36264240, 43517088, 54396360, 72528480, 108792720, 217585440]

約数ペア:

[(1, 217585440), (2, 108792720), (3, 72528480), (4, 54396360), (5, 43517088), (6, 36264240), (8, 27198180), (9, 24176160), (10, 21758544), (12, 18132120), (15, 14505696), (16, 13599090), (18, 12088080), (20, 10879272), (24, 9066060), (27, 8058720), (30, 7252848), (32, 6799545), (36, 6044040), (40, 5439636), (45, 4835232), (48, 4533030), (54, 4029360), (60, 3626424), (72, 3022020), (80, 2719818), (81, 2686240), (90, 2417616), (96, 2266515), (103, 2112480), (108, 2014680), (120, 1813212), (135, 1611744), (144, 1511010), (160, 1359909), (162, 1343120), (163, 1334880), (180, 1208808), (206, 1056240), (216, 1007340), (240, 906606), (270, 805872), (288, 755505), (309, 704160), (324, 671560), (326, 667440), (360, 604404), (405, 537248), (412, 528120), (432, 503670), (480, 453303), (489, 444960), (515, 422496), (540, 402936), (618, 352080), (648, 335780), (652, 333720), (720, 302202), (810, 268624), (815, 266976), (824, 264060), (864, 251835), (927, 234720), (978, 222480), (1030, 211248), (1080, 201468), (1236, 176040), (1296, 167890), (1304, 166860), (1440, 151101), (1467, 148320), (1545, 140832), (1620, 134312), (1630, 133488), (1648, 132030), (1854, 117360), (1956, 111240), (2060, 105624), (2160, 100734), (2445, 88992), (2472, 88020), (2592, 83945), (2608, 83430), (2781, 78240), (2934, 74160), (3090, 70416), (3240, 67156), (3260, 66744), (3296, 66015), (3708, 58680), (3912, 55620), (4120, 52812), (4320, 50367), (4401, 49440), (4635, 46944), (4890, 44496), (4944, 44010), (5216, 41715), (5562, 39120), (5868, 37080), (6180, 35208), (6480, 33578), (6520, 33372), (7335, 29664), (7416, 29340), (7824, 27810), (8240, 26406), (8343, 26080), (8802, 24720), (9270, 23472), (9780, 22248), (9888, 22005), (11124, 19560), (11736, 18540), (12360, 17604), (12960, 16789), (13040, 16686), (13203, 16480), (13905, 15648), (14670, 14832)]