217440720

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:299

約数の個数: 320

約数和(自身を含む): 872087040

約数和(自身を除く): 654646320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 73, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 146, 168, 180, 189, 197, 210, 216, 219, 240, 252, 270, 280, 292, 315, 336, 360, 365, 378, 394, 420, 432, 438, 504, 511, 540, 560, 584, 591, 630, 657, 720, 730, 756, 788, 840, 876, 945, 985, 1008, 1022, 1080, 1095, 1168, 1182, 1260, 1314, 1379, 1460, 1512, 1533, 1576, 1680, 1752, 1773, 1890, 1970, 1971, 2044, 2160, 2190, 2364, 2520, 2555, 2628, 2758, 2920, 2955, 3024, 3066, 3152, 3285, 3504, 3546, 3780, 3940, 3942, 4088, 4137, 4380, 4599, 4728, 5040, 5110, 5256, 5319, 5516, 5840, 5910, 6132, 6570, 6895, 7092, 7560, 7665, 7880, 7884, 8176, 8274, 8760, 8865, 9198, 9456, 9855, 10220, 10512, 10638, 11032, 11820, 12264, 12411, 13140, 13790, 13797, 14184, 14381, 15120, 15330, 15760, 15768, 16548, 17520, 17730, 18396, 19710, 20440, 20685, 21276, 22064, 22995, 23640, 24528, 24822, 26280, 26595, 27580, 27594, 28368, 28762, 30660, 31536, 33096, 35460, 36792, 37233, 39420, 40880, 41370, 42552, 43143, 45990, 47280, 49644, 52560, 53190, 55160, 55188, 57524, 61320, 62055, 66192, 68985, 70920, 71905, 73584, 74466, 78840, 82740, 85104, 86286, 91980, 99288, 100667, 106380, 110320, 110376, 115048, 122640, 124110, 129429, 137970, 141840, 143810, 148932, 157680, 165480, 172572, 183960, 186165, 198576, 201334, 212760, 215715, 220752, 230096, 248220, 258858, 275940, 287620, 297864, 302001, 330960, 345144, 367920, 372330, 388287, 402668, 425520, 431430, 496440, 503335, 517716, 551880, 575240, 595728, 604002, 647145, 690288, 744660, 776574, 805336, 862860, 906003, 992880, 1006670, 1035432, 1103760, 1150480, 1208004, 1294290, 1489320, 1510005, 1553148, 1610672, 1725720, 1812006, 1941435, 2013340, 2070864, 2416008, 2588580, 2718009, 2978640, 3020010, 3106296, 3451440, 3624012, 3882870, 4026680, 4530015, 4832016, 5177160, 5436018, 6040020, 6212592, 7248024, 7765740, 8053360, 9060030, 10354320, 10872036, 12080040, 13590045, 14496048, 15531480, 18120060, 21744072, 24160080, 27180090, 31062960, 36240120, 43488144, 54360180, 72480240, 108720360, 217440720]

約数ペア:

[(1, 217440720), (2, 108720360), (3, 72480240), (4, 54360180), (5, 43488144), (6, 36240120), (7, 31062960), (8, 27180090), (9, 24160080), (10, 21744072), (12, 18120060), (14, 15531480), (15, 14496048), (16, 13590045), (18, 12080040), (20, 10872036), (21, 10354320), (24, 9060030), (27, 8053360), (28, 7765740), (30, 7248024), (35, 6212592), (36, 6040020), (40, 5436018), (42, 5177160), (45, 4832016), (48, 4530015), (54, 4026680), (56, 3882870), (60, 3624012), (63, 3451440), (70, 3106296), (72, 3020010), (73, 2978640), (80, 2718009), (84, 2588580), (90, 2416008), (105, 2070864), (108, 2013340), (112, 1941435), (120, 1812006), (126, 1725720), (135, 1610672), (140, 1553148), (144, 1510005), (146, 1489320), (168, 1294290), (180, 1208004), (189, 1150480), (197, 1103760), (210, 1035432), (216, 1006670), (219, 992880), (240, 906003), (252, 862860), (270, 805336), (280, 776574), (292, 744660), (315, 690288), (336, 647145), (360, 604002), (365, 595728), (378, 575240), (394, 551880), (420, 517716), (432, 503335), (438, 496440), (504, 431430), (511, 425520), (540, 402668), (560, 388287), (584, 372330), (591, 367920), (630, 345144), (657, 330960), (720, 302001), (730, 297864), (756, 287620), (788, 275940), (840, 258858), (876, 248220), (945, 230096), (985, 220752), (1008, 215715), (1022, 212760), (1080, 201334), (1095, 198576), (1168, 186165), (1182, 183960), (1260, 172572), (1314, 165480), (1379, 157680), (1460, 148932), (1512, 143810), (1533, 141840), (1576, 137970), (1680, 129429), (1752, 124110), (1773, 122640), (1890, 115048), (1970, 110376), (1971, 110320), (2044, 106380), (2160, 100667), (2190, 99288), (2364, 91980), (2520, 86286), (2555, 85104), (2628, 82740), (2758, 78840), (2920, 74466), (2955, 73584), (3024, 71905), (3066, 70920), (3152, 68985), (3285, 66192), (3504, 62055), (3546, 61320), (3780, 57524), (3940, 55188), (3942, 55160), (4088, 53190), (4137, 52560), (4380, 49644), (4599, 47280), (4728, 45990), (5040, 43143), (5110, 42552), (5256, 41370), (5319, 40880), (5516, 39420), (5840, 37233), (5910, 36792), (6132, 35460), (6570, 33096), (6895, 31536), (7092, 30660), (7560, 28762), (7665, 28368), (7880, 27594), (7884, 27580), (8176, 26595), (8274, 26280), (8760, 24822), (8865, 24528), (9198, 23640), (9456, 22995), (9855, 22064), (10220, 21276), (10512, 20685), (10638, 20440), (11032, 19710), (11820, 18396), (12264, 17730), (12411, 17520), (13140, 16548), (13790, 15768), (13797, 15760), (14184, 15330), (14381, 15120)]