21681639360

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{839}}^1\times {\mathrm{997}}^1$

素因数の和:1865

約数の個数: 280

約数和(自身を含む): 77294780640

約数和(自身を除く): 55613141280

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, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 839, 864, 960, 997, 1080, 1296, 1440, 1620, 1678, 1728, 1994, 2160, 2517, 2592, 2880, 2991, 3240, 3356, 3988, 4195, 4320, 4985, 5034, 5184, 5982, 6480, 6712, 7551, 7976, 8390, 8640, 8973, 9970, 10068, 11964, 12585, 12960, 13424, 14955, 15102, 15952, 16780, 17946, 19940, 20136, 22653, 23928, 25170, 25920, 26848, 26919, 29910, 30204, 31904, 33560, 35892, 37755, 39880, 40272, 44865, 45306, 47856, 50340, 53696, 53838, 59820, 60408, 63808, 67120, 67959, 71784, 75510, 79760, 80544, 80757, 89730, 90612, 95712, 100680, 107676, 113265, 119640, 120816, 134240, 134595, 135918, 143568, 151020, 159520, 161088, 161514, 179460, 181224, 191424, 201360, 215352, 226530, 239280, 241632, 268480, 269190, 271836, 287136, 302040, 319040, 323028, 339795, 358920, 362448, 402720, 403785, 430704, 453060, 478560, 483264, 538380, 543672, 574272, 604080, 646056, 679590, 717840, 724896, 805440, 807570, 836483, 861408, 906120, 957120, 1076760, 1087344, 1208160, 1292112, 1359180, 1435680, 1449792, 1615140, 1672966, 1722816, 1812240, 2153520, 2174688, 2416320, 2509449, 2584224, 2718360, 2871360, 3230280, 3345932, 3624480, 4182415, 4307040, 4349376, 5018898, 5168448, 5436720, 6460560, 6691864, 7248960, 7528347, 8364830, 8614080, 10037796, 10873440, 12547245, 12921120, 13383728, 15056694, 16729660, 20075592, 21746880, 22585041, 25094490, 25842240, 26767456, 30113388, 33459320, 37641735, 40151184, 45170082, 50188980, 53534912, 60226776, 66918640, 67755123, 75283470, 80302368, 90340164, 100377960, 112925205, 120453552, 133837280, 135510246, 150566940, 160604736, 180680328, 200755920, 225850410, 240907104, 267674560, 271020492, 301133880, 338775615, 361360656, 401511840, 451700820, 481814208, 542040984, 602267760, 677551230, 722721312, 803023680, 903401640, 1084081968, 1204535520, 1355102460, 1445442624, 1806803280, 2168163936, 2409071040, 2710204920, 3613606560, 4336327872, 5420409840, 7227213120, 10840819680, 21681639360]

約数ペア:

[(1, 21681639360), (2, 10840819680), (3, 7227213120), (4, 5420409840), (5, 4336327872), (6, 3613606560), (8, 2710204920), (9, 2409071040), (10, 2168163936), (12, 1806803280), (15, 1445442624), (16, 1355102460), (18, 1204535520), (20, 1084081968), (24, 903401640), (27, 803023680), (30, 722721312), (32, 677551230), (36, 602267760), (40, 542040984), (45, 481814208), (48, 451700820), (54, 401511840), (60, 361360656), (64, 338775615), (72, 301133880), (80, 271020492), (81, 267674560), (90, 240907104), (96, 225850410), (108, 200755920), (120, 180680328), (135, 160604736), (144, 150566940), (160, 135510246), (162, 133837280), (180, 120453552), (192, 112925205), (216, 100377960), (240, 90340164), (270, 80302368), (288, 75283470), (320, 67755123), (324, 66918640), (360, 60226776), (405, 53534912), (432, 50188980), (480, 45170082), (540, 40151184), (576, 37641735), (648, 33459320), (720, 30113388), (810, 26767456), (839, 25842240), (864, 25094490), (960, 22585041), (997, 21746880), (1080, 20075592), (1296, 16729660), (1440, 15056694), (1620, 13383728), (1678, 12921120), (1728, 12547245), (1994, 10873440), (2160, 10037796), (2517, 8614080), (2592, 8364830), (2880, 7528347), (2991, 7248960), (3240, 6691864), (3356, 6460560), (3988, 5436720), (4195, 5168448), (4320, 5018898), (4985, 4349376), (5034, 4307040), (5184, 4182415), (5982, 3624480), (6480, 3345932), (6712, 3230280), (7551, 2871360), (7976, 2718360), (8390, 2584224), (8640, 2509449), (8973, 2416320), (9970, 2174688), (10068, 2153520), (11964, 1812240), (12585, 1722816), (12960, 1672966), (13424, 1615140), (14955, 1449792), (15102, 1435680), (15952, 1359180), (16780, 1292112), (17946, 1208160), (19940, 1087344), (20136, 1076760), (22653, 957120), (23928, 906120), (25170, 861408), (25920, 836483), (26848, 807570), (26919, 805440), (29910, 724896), (30204, 717840), (31904, 679590), (33560, 646056), (35892, 604080), (37755, 574272), (39880, 543672), (40272, 538380), (44865, 483264), (45306, 478560), (47856, 453060), (50340, 430704), (53696, 403785), (53838, 402720), (59820, 362448), (60408, 358920), (63808, 339795), (67120, 323028), (67959, 319040), (71784, 302040), (75510, 287136), (79760, 271836), (80544, 269190), (80757, 268480), (89730, 241632), (90612, 239280), (95712, 226530), (100680, 215352), (107676, 201360), (113265, 191424), (119640, 181224), (120816, 179460), (134240, 161514), (134595, 161088), (135918, 159520), (143568, 151020)]