1638390240

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{757}}^1$

素因数の和:951

約数の個数: 240

約数和(自身を含む): 5824459872

約数和(自身を除く): 4186069632

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, 108, 120, 135, 144, 160, 162, 167, 180, 216, 240, 270, 288, 324, 334, 360, 405, 432, 480, 501, 540, 648, 668, 720, 757, 810, 835, 864, 1002, 1080, 1296, 1336, 1440, 1503, 1514, 1620, 1670, 2004, 2160, 2271, 2505, 2592, 2672, 3006, 3028, 3240, 3340, 3785, 4008, 4320, 4509, 4542, 5010, 5344, 6012, 6056, 6480, 6680, 6813, 7515, 7570, 8016, 9018, 9084, 10020, 11355, 12024, 12112, 12960, 13360, 13527, 13626, 15030, 15140, 16032, 18036, 18168, 20040, 20439, 22545, 22710, 24048, 24224, 26720, 27054, 27252, 30060, 30280, 34065, 36072, 36336, 40080, 40878, 45090, 45420, 48096, 54108, 54504, 60120, 60560, 61317, 67635, 68130, 72144, 72672, 80160, 81756, 90180, 90840, 102195, 108216, 109008, 120240, 121120, 122634, 126419, 135270, 136260, 144288, 163512, 180360, 181680, 204390, 216432, 218016, 240480, 245268, 252838, 270540, 272520, 306585, 327024, 360720, 363360, 379257, 408780, 432864, 490536, 505676, 541080, 545040, 613170, 632095, 654048, 721440, 758514, 817560, 981072, 1011352, 1082160, 1090080, 1137771, 1226340, 1264190, 1517028, 1635120, 1896285, 1962144, 2022704, 2164320, 2275542, 2452680, 2528380, 3034056, 3270240, 3413313, 3792570, 4045408, 4551084, 4905360, 5056760, 5688855, 6068112, 6826626, 7585140, 9102168, 9810720, 10113520, 10239939, 11377710, 12136224, 13653252, 15170280, 17066565, 18204336, 20227040, 20479878, 22755420, 27306504, 30340560, 34133130, 36408672, 40959756, 45510840, 51199695, 54613008, 60681120, 68266260, 81919512, 91021680, 102399390, 109226016, 136532520, 163839024, 182043360, 204798780, 273065040, 327678048, 409597560, 546130080, 819195120, 1638390240]

約数ペア:

[(1, 1638390240), (2, 819195120), (3, 546130080), (4, 409597560), (5, 327678048), (6, 273065040), (8, 204798780), (9, 182043360), (10, 163839024), (12, 136532520), (15, 109226016), (16, 102399390), (18, 91021680), (20, 81919512), (24, 68266260), (27, 60681120), (30, 54613008), (32, 51199695), (36, 45510840), (40, 40959756), (45, 36408672), (48, 34133130), (54, 30340560), (60, 27306504), (72, 22755420), (80, 20479878), (81, 20227040), (90, 18204336), (96, 17066565), (108, 15170280), (120, 13653252), (135, 12136224), (144, 11377710), (160, 10239939), (162, 10113520), (167, 9810720), (180, 9102168), (216, 7585140), (240, 6826626), (270, 6068112), (288, 5688855), (324, 5056760), (334, 4905360), (360, 4551084), (405, 4045408), (432, 3792570), (480, 3413313), (501, 3270240), (540, 3034056), (648, 2528380), (668, 2452680), (720, 2275542), (757, 2164320), (810, 2022704), (835, 1962144), (864, 1896285), (1002, 1635120), (1080, 1517028), (1296, 1264190), (1336, 1226340), (1440, 1137771), (1503, 1090080), (1514, 1082160), (1620, 1011352), (1670, 981072), (2004, 817560), (2160, 758514), (2271, 721440), (2505, 654048), (2592, 632095), (2672, 613170), (3006, 545040), (3028, 541080), (3240, 505676), (3340, 490536), (3785, 432864), (4008, 408780), (4320, 379257), (4509, 363360), (4542, 360720), (5010, 327024), (5344, 306585), (6012, 272520), (6056, 270540), (6480, 252838), (6680, 245268), (6813, 240480), (7515, 218016), (7570, 216432), (8016, 204390), (9018, 181680), (9084, 180360), (10020, 163512), (11355, 144288), (12024, 136260), (12112, 135270), (12960, 126419), (13360, 122634), (13527, 121120), (13626, 120240), (15030, 109008), (15140, 108216), (16032, 102195), (18036, 90840), (18168, 90180), (20040, 81756), (20439, 80160), (22545, 72672), (22710, 72144), (24048, 68130), (24224, 67635), (26720, 61317), (27054, 60560), (27252, 60120), (30060, 54504), (30280, 54108), (34065, 48096), (36072, 45420), (36336, 45090), (40080, 40878)]