21287525760

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{8737}}^1$

素因数の和:8815

約数の個数: 320

約数和(自身を含む): 77647965120

約数和(自身を除く): 56360439360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 47, 48, 54, 60, 64, 72, 80, 81, 90, 94, 96, 108, 120, 128, 135, 141, 144, 160, 162, 180, 188, 192, 216, 235, 240, 270, 282, 288, 320, 324, 360, 376, 384, 405, 423, 432, 470, 480, 540, 564, 576, 640, 648, 705, 720, 752, 810, 846, 864, 940, 960, 1080, 1128, 1152, 1269, 1296, 1410, 1440, 1504, 1620, 1692, 1728, 1880, 1920, 2115, 2160, 2256, 2538, 2592, 2820, 2880, 3008, 3240, 3384, 3456, 3760, 3807, 4230, 4320, 4512, 5076, 5184, 5640, 5760, 6016, 6345, 6480, 6768, 7520, 7614, 8460, 8640, 8737, 9024, 10152, 10368, 11280, 12690, 12960, 13536, 15040, 15228, 16920, 17280, 17474, 18048, 19035, 20304, 22560, 25380, 25920, 26211, 27072, 30080, 30456, 33840, 34948, 38070, 40608, 43685, 45120, 50760, 51840, 52422, 54144, 60912, 67680, 69896, 76140, 78633, 81216, 87370, 90240, 101520, 104844, 121824, 131055, 135360, 139792, 152280, 157266, 162432, 174740, 203040, 209688, 235899, 243648, 262110, 270720, 279584, 304560, 314532, 349480, 393165, 406080, 410639, 419376, 471798, 487296, 524220, 559168, 609120, 629064, 698960, 707697, 786330, 812160, 821278, 838752, 943596, 1048440, 1118336, 1179495, 1218240, 1231917, 1258128, 1397920, 1415394, 1572660, 1642556, 1677504, 1887192, 2053195, 2096880, 2358990, 2436480, 2463834, 2516256, 2795840, 2830788, 3145320, 3285112, 3355008, 3538485, 3695751, 3774384, 4106390, 4193760, 4717980, 4927668, 5032512, 5591680, 5661576, 6159585, 6290640, 6570224, 7076970, 7391502, 7548768, 8212780, 8387520, 9435960, 9855336, 10065024, 11087253, 11323152, 12319170, 12581280, 13140448, 14153940, 14783004, 15097536, 16425560, 16775040, 18478755, 18871920, 19710672, 22174506, 22646304, 24638340, 25162560, 26280896, 28307880, 29566008, 30195072, 32851120, 33261759, 36957510, 37743840, 39421344, 44349012, 45292608, 49276680, 50325120, 52561792, 55436265, 56615760, 59132016, 65702240, 66523518, 73915020, 75487680, 78842688, 88698024, 90585216, 98553360, 110872530, 113231520, 118264032, 131404480, 133047036, 147830040, 150975360, 157685376, 166308795, 177396048, 197106720, 221745060, 226463040, 236528064, 262808960, 266094072, 295660080, 332617590, 354792096, 394213440, 443490120, 452926080, 473056128, 532188144, 591320160, 665235180, 709584192, 788426880, 886980240, 1064376288, 1182640320, 1330470360, 1419168384, 1773960480, 2128752576, 2365280640, 2660940720, 3547920960, 4257505152, 5321881440, 7095841920, 10643762880, 21287525760]

約数ペア:

[(1, 21287525760), (2, 10643762880), (3, 7095841920), (4, 5321881440), (5, 4257505152), (6, 3547920960), (8, 2660940720), (9, 2365280640), (10, 2128752576), (12, 1773960480), (15, 1419168384), (16, 1330470360), (18, 1182640320), (20, 1064376288), (24, 886980240), (27, 788426880), (30, 709584192), (32, 665235180), (36, 591320160), (40, 532188144), (45, 473056128), (47, 452926080), (48, 443490120), (54, 394213440), (60, 354792096), (64, 332617590), (72, 295660080), (80, 266094072), (81, 262808960), (90, 236528064), (94, 226463040), (96, 221745060), (108, 197106720), (120, 177396048), (128, 166308795), (135, 157685376), (141, 150975360), (144, 147830040), (160, 133047036), (162, 131404480), (180, 118264032), (188, 113231520), (192, 110872530), (216, 98553360), (235, 90585216), (240, 88698024), (270, 78842688), (282, 75487680), (288, 73915020), (320, 66523518), (324, 65702240), (360, 59132016), (376, 56615760), (384, 55436265), (405, 52561792), (423, 50325120), (432, 49276680), (470, 45292608), (480, 44349012), (540, 39421344), (564, 37743840), (576, 36957510), (640, 33261759), (648, 32851120), (705, 30195072), (720, 29566008), (752, 28307880), (810, 26280896), (846, 25162560), (864, 24638340), (940, 22646304), (960, 22174506), (1080, 19710672), (1128, 18871920), (1152, 18478755), (1269, 16775040), (1296, 16425560), (1410, 15097536), (1440, 14783004), (1504, 14153940), (1620, 13140448), (1692, 12581280), (1728, 12319170), (1880, 11323152), (1920, 11087253), (2115, 10065024), (2160, 9855336), (2256, 9435960), (2538, 8387520), (2592, 8212780), (2820, 7548768), (2880, 7391502), (3008, 7076970), (3240, 6570224), (3384, 6290640), (3456, 6159585), (3760, 5661576), (3807, 5591680), (4230, 5032512), (4320, 4927668), (4512, 4717980), (5076, 4193760), (5184, 4106390), (5640, 3774384), (5760, 3695751), (6016, 3538485), (6345, 3355008), (6480, 3285112), (6768, 3145320), (7520, 2830788), (7614, 2795840), (8460, 2516256), (8640, 2463834), (8737, 2436480), (9024, 2358990), (10152, 2096880), (10368, 2053195), (11280, 1887192), (12690, 1677504), (12960, 1642556), (13536, 1572660), (15040, 1415394), (15228, 1397920), (16920, 1258128), (17280, 1231917), (17474, 1218240), (18048, 1179495), (19035, 1118336), (20304, 1048440), (22560, 943596), (25380, 838752), (25920, 821278), (26211, 812160), (27072, 786330), (30080, 707697), (30456, 698960), (33840, 629064), (34948, 609120), (38070, 559168), (40608, 524220), (43685, 487296), (45120, 471798), (50760, 419376), (51840, 410639), (52422, 406080), (54144, 393165), (60912, 349480), (67680, 314532), (69896, 304560), (76140, 279584), (78633, 270720), (81216, 262110), (87370, 243648), (90240, 235899), (101520, 209688), (104844, 203040), (121824, 174740), (131055, 162432), (135360, 157266), (139792, 152280)]