20541975840

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31079}}^1$

素因数の和:31126

約数の個数: 288

約数和(自身を含む): 76974468480

約数和(自身を除く): 56432492640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 81, 85, 90, 96, 102, 108, 120, 135, 136, 144, 153, 160, 162, 170, 180, 204, 216, 240, 243, 255, 270, 272, 288, 306, 324, 340, 360, 405, 408, 432, 459, 480, 486, 510, 540, 544, 612, 648, 680, 720, 765, 810, 816, 864, 918, 972, 1020, 1080, 1215, 1224, 1296, 1360, 1377, 1440, 1530, 1620, 1632, 1836, 1944, 2040, 2160, 2295, 2430, 2448, 2592, 2720, 2754, 3060, 3240, 3672, 3888, 4080, 4131, 4320, 4590, 4860, 4896, 5508, 6120, 6480, 6885, 7344, 7776, 8160, 8262, 9180, 9720, 11016, 12240, 12960, 13770, 14688, 16524, 18360, 19440, 20655, 22032, 24480, 27540, 31079, 33048, 36720, 38880, 41310, 44064, 55080, 62158, 66096, 73440, 82620, 93237, 110160, 124316, 132192, 155395, 165240, 186474, 220320, 248632, 279711, 310790, 330480, 372948, 466185, 497264, 528343, 559422, 621580, 660960, 745896, 839133, 932370, 994528, 1056686, 1118844, 1243160, 1398555, 1491792, 1585029, 1678266, 1864740, 2113372, 2237688, 2486320, 2517399, 2641715, 2797110, 2983584, 3170058, 3356532, 3729480, 4195665, 4226744, 4475376, 4755087, 4972640, 5034798, 5283430, 5594220, 6340116, 6713064, 7458960, 7552197, 7925145, 8391330, 8453488, 8950752, 9510174, 10069596, 10566860, 11188440, 12586995, 12680232, 13426128, 14265261, 14917920, 15104394, 15850290, 16782660, 16906976, 19020348, 20139192, 21133720, 22376880, 23775435, 25173990, 25360464, 26852256, 28530522, 30208788, 31700580, 33565320, 37760985, 38040696, 40278384, 42267440, 42795783, 44753760, 47550870, 50347980, 50720928, 57061044, 60417576, 63401160, 67130640, 71326305, 75521970, 76081392, 80556768, 84534880, 85591566, 95101740, 100695960, 114122088, 120835152, 126802320, 128387349, 134261280, 142652610, 151043940, 152162784, 171183132, 190203480, 201391920, 213978915, 228244176, 241670304, 253604640, 256774698, 285305220, 302087880, 342366264, 380406960, 402783840, 427957830, 456488352, 513549396, 570610440, 604175760, 641936745, 684732528, 760813920, 855915660, 1027098792, 1141220880, 1208351520, 1283873490, 1369465056, 1711831320, 2054197584, 2282441760, 2567746980, 3423662640, 4108395168, 5135493960, 6847325280, 10270987920, 20541975840]

約数ペア:

[(1, 20541975840), (2, 10270987920), (3, 6847325280), (4, 5135493960), (5, 4108395168), (6, 3423662640), (8, 2567746980), (9, 2282441760), (10, 2054197584), (12, 1711831320), (15, 1369465056), (16, 1283873490), (17, 1208351520), (18, 1141220880), (20, 1027098792), (24, 855915660), (27, 760813920), (30, 684732528), (32, 641936745), (34, 604175760), (36, 570610440), (40, 513549396), (45, 456488352), (48, 427957830), (51, 402783840), (54, 380406960), (60, 342366264), (68, 302087880), (72, 285305220), (80, 256774698), (81, 253604640), (85, 241670304), (90, 228244176), (96, 213978915), (102, 201391920), (108, 190203480), (120, 171183132), (135, 152162784), (136, 151043940), (144, 142652610), (153, 134261280), (160, 128387349), (162, 126802320), (170, 120835152), (180, 114122088), (204, 100695960), (216, 95101740), (240, 85591566), (243, 84534880), (255, 80556768), (270, 76081392), (272, 75521970), (288, 71326305), (306, 67130640), (324, 63401160), (340, 60417576), (360, 57061044), (405, 50720928), (408, 50347980), (432, 47550870), (459, 44753760), (480, 42795783), (486, 42267440), (510, 40278384), (540, 38040696), (544, 37760985), (612, 33565320), (648, 31700580), (680, 30208788), (720, 28530522), (765, 26852256), (810, 25360464), (816, 25173990), (864, 23775435), (918, 22376880), (972, 21133720), (1020, 20139192), (1080, 19020348), (1215, 16906976), (1224, 16782660), (1296, 15850290), (1360, 15104394), (1377, 14917920), (1440, 14265261), (1530, 13426128), (1620, 12680232), (1632, 12586995), (1836, 11188440), (1944, 10566860), (2040, 10069596), (2160, 9510174), (2295, 8950752), (2430, 8453488), (2448, 8391330), (2592, 7925145), (2720, 7552197), (2754, 7458960), (3060, 6713064), (3240, 6340116), (3672, 5594220), (3888, 5283430), (4080, 5034798), (4131, 4972640), (4320, 4755087), (4590, 4475376), (4860, 4226744), (4896, 4195665), (5508, 3729480), (6120, 3356532), (6480, 3170058), (6885, 2983584), (7344, 2797110), (7776, 2641715), (8160, 2517399), (8262, 2486320), (9180, 2237688), (9720, 2113372), (11016, 1864740), (12240, 1678266), (12960, 1585029), (13770, 1491792), (14688, 1398555), (16524, 1243160), (18360, 1118844), (19440, 1056686), (20655, 994528), (22032, 932370), (24480, 839133), (27540, 745896), (31079, 660960), (33048, 621580), (36720, 559422), (38880, 528343), (41310, 497264), (44064, 466185), (55080, 372948), (62158, 330480), (66096, 310790), (73440, 279711), (82620, 248632), (93237, 220320), (110160, 186474), (124316, 165240), (132192, 155395)]