21660546960

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{661}}^1$

素因数の和:1088

約数の個数: 400

約数和(自身を含む): 81348387120

約数和(自身を除く): 59687840160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 104, 108, 117, 120, 130, 135, 144, 156, 162, 180, 195, 208, 216, 234, 240, 260, 270, 312, 324, 351, 360, 389, 390, 405, 432, 468, 520, 540, 585, 624, 648, 661, 702, 720, 778, 780, 810, 936, 1040, 1053, 1080, 1167, 1170, 1296, 1322, 1404, 1556, 1560, 1620, 1755, 1872, 1945, 1983, 2106, 2160, 2334, 2340, 2644, 2808, 3112, 3120, 3240, 3305, 3501, 3510, 3890, 3966, 4212, 4668, 4680, 5057, 5265, 5288, 5616, 5835, 5949, 6224, 6480, 6610, 7002, 7020, 7780, 7932, 8424, 8593, 9336, 9360, 9915, 10114, 10503, 10530, 10576, 11670, 11898, 13220, 14004, 14040, 15171, 15560, 15864, 16848, 17186, 17505, 17847, 18672, 19830, 20228, 21006, 21060, 23340, 23796, 25285, 25779, 26440, 28008, 28080, 29745, 30342, 31120, 31509, 31728, 34372, 35010, 35694, 39660, 40456, 42012, 42120, 42965, 45513, 46680, 47592, 50570, 51558, 52515, 52880, 53541, 56016, 59490, 60684, 63018, 68744, 70020, 71388, 75855, 77337, 79320, 80912, 84024, 84240, 85930, 89235, 91026, 93360, 95184, 101140, 103116, 105030, 107082, 118980, 121368, 126036, 128895, 136539, 137488, 140040, 142776, 151710, 154674, 157545, 158640, 168048, 171860, 178470, 182052, 202280, 206232, 210060, 214164, 227565, 232011, 237960, 242736, 252072, 257129, 257790, 267705, 273078, 280080, 285552, 303420, 309348, 315090, 343720, 356940, 364104, 386685, 404560, 409617, 412464, 420120, 428328, 455130, 464022, 475920, 504144, 514258, 515580, 535410, 546156, 606840, 618696, 630180, 682695, 687440, 696033, 713880, 728208, 771387, 773370, 819234, 840240, 856656, 910260, 928044, 1028516, 1031160, 1070820, 1092312, 1160055, 1213680, 1237392, 1260360, 1285645, 1365390, 1392066, 1427760, 1542774, 1546740, 1638468, 1820520, 1856088, 2048085, 2057032, 2062320, 2141640, 2184624, 2314161, 2320110, 2520720, 2571290, 2730780, 2784132, 3085548, 3093480, 3276936, 3342677, 3480165, 3641040, 3712176, 3856935, 4096170, 4114064, 4283280, 4628322, 4640220, 5142580, 5461560, 5568264, 6171096, 6186960, 6553872, 6685354, 6942483, 6960330, 7713870, 8192340, 9256644, 9280440, 10028031, 10285160, 10923120, 11136528, 11570805, 12342192, 13370708, 13884966, 13920660, 15427740, 16384680, 16713385, 18513288, 18560880, 20056062, 20570320, 20827449, 23141610, 26741416, 27769932, 27841320, 30084093, 30855480, 32769360, 33426770, 34712415, 37026576, 40112124, 41654898, 46283220, 50140155, 53482832, 55539864, 55682640, 60168186, 61710960, 66853540, 69424830, 80224248, 83309796, 90252279, 92566440, 100280310, 104137245, 111079728, 120336372, 133707080, 138849660, 150420465, 160448496, 166619592, 180504558, 185132880, 200560620, 208274490, 240672744, 267414160, 270756837, 277699320, 300840930, 333239184, 361009116, 401121240, 416548980, 451261395, 481345488, 541513674, 555398640, 601681860, 722018232, 802242480, 833097960, 902522790, 1083027348, 1203363720, 1353784185, 1444036464, 1666195920, 1805045580, 2166054696, 2406727440, 2707568370, 3610091160, 4332109392, 5415136740, 7220182320, 10830273480, 21660546960]

約数ペア:

[(1, 21660546960), (2, 10830273480), (3, 7220182320), (4, 5415136740), (5, 4332109392), (6, 3610091160), (8, 2707568370), (9, 2406727440), (10, 2166054696), (12, 1805045580), (13, 1666195920), (15, 1444036464), (16, 1353784185), (18, 1203363720), (20, 1083027348), (24, 902522790), (26, 833097960), (27, 802242480), (30, 722018232), (36, 601681860), (39, 555398640), (40, 541513674), (45, 481345488), (48, 451261395), (52, 416548980), (54, 401121240), (60, 361009116), (65, 333239184), (72, 300840930), (78, 277699320), (80, 270756837), (81, 267414160), (90, 240672744), (104, 208274490), (108, 200560620), (117, 185132880), (120, 180504558), (130, 166619592), (135, 160448496), (144, 150420465), (156, 138849660), (162, 133707080), (180, 120336372), (195, 111079728), (208, 104137245), (216, 100280310), (234, 92566440), (240, 90252279), (260, 83309796), (270, 80224248), (312, 69424830), (324, 66853540), (351, 61710960), (360, 60168186), (389, 55682640), (390, 55539864), (405, 53482832), (432, 50140155), (468, 46283220), (520, 41654898), (540, 40112124), (585, 37026576), (624, 34712415), (648, 33426770), (661, 32769360), (702, 30855480), (720, 30084093), (778, 27841320), (780, 27769932), (810, 26741416), (936, 23141610), (1040, 20827449), (1053, 20570320), (1080, 20056062), (1167, 18560880), (1170, 18513288), (1296, 16713385), (1322, 16384680), (1404, 15427740), (1556, 13920660), (1560, 13884966), (1620, 13370708), (1755, 12342192), (1872, 11570805), (1945, 11136528), (1983, 10923120), (2106, 10285160), (2160, 10028031), (2334, 9280440), (2340, 9256644), (2644, 8192340), (2808, 7713870), (3112, 6960330), (3120, 6942483), (3240, 6685354), (3305, 6553872), (3501, 6186960), (3510, 6171096), (3890, 5568264), (3966, 5461560), (4212, 5142580), (4668, 4640220), (4680, 4628322), (5057, 4283280), (5265, 4114064), (5288, 4096170), (5616, 3856935), (5835, 3712176), (5949, 3641040), (6224, 3480165), (6480, 3342677), (6610, 3276936), (7002, 3093480), (7020, 3085548), (7780, 2784132), (7932, 2730780), (8424, 2571290), (8593, 2520720), (9336, 2320110), (9360, 2314161), (9915, 2184624), (10114, 2141640), (10503, 2062320), (10530, 2057032), (10576, 2048085), (11670, 1856088), (11898, 1820520), (13220, 1638468), (14004, 1546740), (14040, 1542774), (15171, 1427760), (15560, 1392066), (15864, 1365390), (16848, 1285645), (17186, 1260360), (17505, 1237392), (17847, 1213680), (18672, 1160055), (19830, 1092312), (20228, 1070820), (21006, 1031160), (21060, 1028516), (23340, 928044), (23796, 910260), (25285, 856656), (25779, 840240), (26440, 819234), (28008, 773370), (28080, 771387), (29745, 728208), (30342, 713880), (31120, 696033), (31509, 687440), (31728, 682695), (34372, 630180), (35010, 618696), (35694, 606840), (39660, 546156), (40456, 535410), (42012, 515580), (42120, 514258), (42965, 504144), (45513, 475920), (46680, 464022), (47592, 455130), (50570, 428328), (51558, 420120), (52515, 412464), (52880, 409617), (53541, 404560), (56016, 386685), (59490, 364104), (60684, 356940), (63018, 343720), (68744, 315090), (70020, 309348), (71388, 303420), (75855, 285552), (77337, 280080), (79320, 273078), (80912, 267705), (84024, 257790), (84240, 257129), (85930, 252072), (89235, 242736), (91026, 237960), (93360, 232011), (95184, 227565), (101140, 214164), (103116, 210060), (105030, 206232), (107082, 202280), (118980, 182052), (121368, 178470), (126036, 171860), (128895, 168048), (136539, 158640), (137488, 157545), (140040, 154674), (142776, 151710)]