280528920

素因数分解:

$2^3\times 3^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 576

約数和(自身を含む): 1195084800

約数和(自身を除く): 914555880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 31, 35, 36, 38, 40, 42, 45, 49, 54, 56, 57, 60, 62, 63, 70, 72, 76, 81, 84, 90, 93, 95, 98, 105, 108, 114, 120, 124, 126, 133, 135, 140, 147, 152, 155, 162, 168, 171, 180, 186, 189, 190, 196, 210, 216, 217, 228, 243, 245, 248, 252, 266, 270, 279, 280, 285, 294, 310, 315, 324, 342, 360, 372, 378, 380, 392, 399, 405, 420, 434, 441, 456, 465, 486, 490, 504, 513, 532, 540, 558, 567, 570, 588, 589, 620, 630, 648, 651, 665, 684, 735, 744, 756, 760, 798, 810, 837, 840, 855, 868, 882, 930, 931, 945, 972, 980, 1026, 1064, 1080, 1085, 1116, 1134, 1140, 1176, 1178, 1197, 1215, 1240, 1260, 1302, 1323, 1330, 1368, 1395, 1470, 1512, 1519, 1539, 1596, 1620, 1674, 1701, 1710, 1736, 1764, 1767, 1860, 1862, 1890, 1944, 1953, 1960, 1995, 2052, 2170, 2205, 2232, 2268, 2280, 2356, 2394, 2430, 2511, 2520, 2565, 2604, 2646, 2660, 2790, 2793, 2835, 2940, 2945, 3038, 3078, 3192, 3240, 3255, 3348, 3402, 3420, 3528, 3534, 3591, 3720, 3724, 3780, 3906, 3969, 3990, 4104, 4123, 4185, 4340, 4410, 4536, 4557, 4617, 4655, 4712, 4788, 4860, 5022, 5130, 5208, 5292, 5301, 5320, 5580, 5586, 5670, 5859, 5880, 5890, 5985, 6076, 6156, 6510, 6615, 6696, 6804, 6840, 7068, 7182, 7448, 7533, 7560, 7595, 7695, 7812, 7938, 7980, 8246, 8370, 8379, 8505, 8680, 8820, 8835, 9114, 9234, 9310, 9576, 9720, 9765, 10044, 10260, 10584, 10602, 10773, 11160, 11172, 11340, 11718, 11780, 11907, 11970, 12152, 12312, 12369, 12555, 13020, 13230, 13608, 13671, 13965, 14136, 14364, 15066, 15190, 15390, 15624, 15876, 15903, 15960, 16492, 16740, 16758, 17010, 17577, 17640, 17670, 17955, 18228, 18468, 18620, 19530, 19845, 20088, 20520, 20615, 21204, 21546, 22344, 22680, 22785, 23085, 23436, 23560, 23814, 23940, 24738, 25110, 25137, 26040, 26460, 26505, 27342, 27930, 28728, 28861, 29295, 30132, 30380, 30780, 31752, 31806, 32319, 32984, 33480, 33516, 34020, 35154, 35340, 35910, 36456, 36936, 37107, 37240, 37665, 39060, 39690, 41013, 41230, 41895, 42408, 43092, 45570, 46170, 46872, 47628, 47709, 47880, 49476, 50220, 50274, 52731, 52920, 53010, 53865, 54684, 55860, 57722, 58590, 59535, 60264, 60760, 61560, 61845, 63612, 64638, 67032, 68040, 68355, 70308, 70680, 71820, 74214, 75330, 75411, 78120, 79380, 79515, 82026, 82460, 83790, 86184, 86583, 87885, 91140, 92340, 95256, 95418, 98952, 100440, 100548, 105462, 106020, 107730, 109368, 111321, 111720, 115444, 117180, 119070, 123039, 123690, 125685, 127224, 129276, 136710, 140616, 143127, 143640, 144305, 148428, 150660, 150822, 158760, 159030, 161595, 164052, 164920, 167580, 173166, 175770, 182280, 184680, 185535, 190836, 201096, 205065, 210924, 212040, 215460, 222642, 226233, 230888, 234360, 238140, 238545, 246078, 247380, 251370, 258552, 259749, 263655, 273420, 286254, 288610, 296856, 301320, 301644, 318060, 323190, 328104, 333963, 335160, 346332, 351540, 369117, 371070, 377055, 381672, 410130, 421848, 430920, 432915, 445284, 452466, 476280, 477090, 492156, 494760, 502740, 519498, 527310, 546840, 556605, 572508, 577220, 603288, 615195, 636120, 646380, 667926, 692664, 703080, 715635, 738234, 742140, 754110, 779247, 820260, 865830, 890568, 904932, 954180, 984312, 1001889, 1005480, 1038996, 1054620, 1113210, 1131165, 1145016, 1154440, 1230390, 1292760, 1298745, 1335852, 1431270, 1476468, 1484280, 1508220, 1558494, 1640520, 1669815, 1731660, 1809864, 1845585, 1908360, 2003778, 2077992, 2109240, 2226420, 2262330, 2337741, 2460780, 2597490, 2671704, 2862540, 2952936, 3016440, 3116988, 3339630, 3463320, 3691170, 3896235, 4007556, 4452840, 4524660, 4675482, 4921560, 5009445, 5194980, 5725080, 6233976, 6679260, 7013223, 7382340, 7792470, 8015112, 9049320, 9350964, 10018890, 10389960, 11688705, 13358520, 14026446, 14764680, 15584940, 18701928, 20037780, 23377410, 28052892, 31169880, 35066115, 40075560, 46754820, 56105784, 70132230, 93509640, 140264460, 280528920]

約数ペア:

[(1, 280528920), (2, 140264460), (3, 93509640), (4, 70132230), (5, 56105784), (6, 46754820), (7, 40075560), (8, 35066115), (9, 31169880), (10, 28052892), (12, 23377410), (14, 20037780), (15, 18701928), (18, 15584940), (19, 14764680), (20, 14026446), (21, 13358520), (24, 11688705), (27, 10389960), (28, 10018890), (30, 9350964), (31, 9049320), (35, 8015112), (36, 7792470), (38, 7382340), (40, 7013223), (42, 6679260), (45, 6233976), (49, 5725080), (54, 5194980), (56, 5009445), (57, 4921560), (60, 4675482), (62, 4524660), (63, 4452840), (70, 4007556), (72, 3896235), (76, 3691170), (81, 3463320), (84, 3339630), (90, 3116988), (93, 3016440), (95, 2952936), (98, 2862540), (105, 2671704), (108, 2597490), (114, 2460780), (120, 2337741), (124, 2262330), (126, 2226420), (133, 2109240), (135, 2077992), (140, 2003778), (147, 1908360), (152, 1845585), (155, 1809864), (162, 1731660), (168, 1669815), (171, 1640520), (180, 1558494), (186, 1508220), (189, 1484280), (190, 1476468), (196, 1431270), (210, 1335852), (216, 1298745), (217, 1292760), (228, 1230390), (243, 1154440), (245, 1145016), (248, 1131165), (252, 1113210), (266, 1054620), (270, 1038996), (279, 1005480), (280, 1001889), (285, 984312), (294, 954180), (310, 904932), (315, 890568), (324, 865830), (342, 820260), (360, 779247), (372, 754110), (378, 742140), (380, 738234), (392, 715635), (399, 703080), (405, 692664), (420, 667926), (434, 646380), (441, 636120), (456, 615195), (465, 603288), (486, 577220), (490, 572508), (504, 556605), (513, 546840), (532, 527310), (540, 519498), (558, 502740), (567, 494760), (570, 492156), (588, 477090), (589, 476280), (620, 452466), (630, 445284), (648, 432915), (651, 430920), (665, 421848), (684, 410130), (735, 381672), (744, 377055), (756, 371070), (760, 369117), (798, 351540), (810, 346332), (837, 335160), (840, 333963), (855, 328104), (868, 323190), (882, 318060), (930, 301644), (931, 301320), (945, 296856), (972, 288610), (980, 286254), (1026, 273420), (1064, 263655), (1080, 259749), (1085, 258552), (1116, 251370), (1134, 247380), (1140, 246078), (1176, 238545), (1178, 238140), (1197, 234360), (1215, 230888), (1240, 226233), (1260, 222642), (1302, 215460), (1323, 212040), (1330, 210924), (1368, 205065), (1395, 201096), (1470, 190836), (1512, 185535), (1519, 184680), (1539, 182280), (1596, 175770), (1620, 173166), (1674, 167580), (1701, 164920), (1710, 164052), (1736, 161595), (1764, 159030), (1767, 158760), (1860, 150822), (1862, 150660), (1890, 148428), (1944, 144305), (1953, 143640), (1960, 143127), (1995, 140616), (2052, 136710), (2170, 129276), (2205, 127224), (2232, 125685), (2268, 123690), (2280, 123039), (2356, 119070), (2394, 117180), (2430, 115444), (2511, 111720), (2520, 111321), (2565, 109368), (2604, 107730), (2646, 106020), (2660, 105462), (2790, 100548), (2793, 100440), (2835, 98952), (2940, 95418), (2945, 95256), (3038, 92340), (3078, 91140), (3192, 87885), (3240, 86583), (3255, 86184), (3348, 83790), (3402, 82460), (3420, 82026), (3528, 79515), (3534, 79380), (3591, 78120), (3720, 75411), (3724, 75330), (3780, 74214), (3906, 71820), (3969, 70680), (3990, 70308), (4104, 68355), (4123, 68040), (4185, 67032), (4340, 64638), (4410, 63612), (4536, 61845), (4557, 61560), (4617, 60760), (4655, 60264), (4712, 59535), (4788, 58590), (4860, 57722), (5022, 55860), (5130, 54684), (5208, 53865), (5292, 53010), (5301, 52920), (5320, 52731), (5580, 50274), (5586, 50220), (5670, 49476), (5859, 47880), (5880, 47709), (5890, 47628), (5985, 46872), (6076, 46170), (6156, 45570), (6510, 43092), (6615, 42408), (6696, 41895), (6804, 41230), (6840, 41013), (7068, 39690), (7182, 39060), (7448, 37665), (7533, 37240), (7560, 37107), (7595, 36936), (7695, 36456), (7812, 35910), (7938, 35340), (7980, 35154), (8246, 34020), (8370, 33516), (8379, 33480), (8505, 32984), (8680, 32319), (8820, 31806), (8835, 31752), (9114, 30780), (9234, 30380), (9310, 30132), (9576, 29295), (9720, 28861), (9765, 28728), (10044, 27930), (10260, 27342), (10584, 26505), (10602, 26460), (10773, 26040), (11160, 25137), (11172, 25110), (11340, 24738), (11718, 23940), (11780, 23814), (11907, 23560), (11970, 23436), (12152, 23085), (12312, 22785), (12369, 22680), (12555, 22344), (13020, 21546), (13230, 21204), (13608, 20615), (13671, 20520), (13965, 20088), (14136, 19845), (14364, 19530), (15066, 18620), (15190, 18468), (15390, 18228), (15624, 17955), (15876, 17670), (15903, 17640), (15960, 17577), (16492, 17010), (16740, 16758)]