28140840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{859}}^1$

素因数の和:896

約数の個数: 192

約数和(自身を含む): 112694400

約数和(自身を除く): 84553560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 360, 364, 390, 420, 455, 468, 504, 520, 546, 585, 630, 728, 780, 819, 840, 859, 910, 936, 1092, 1170, 1260, 1365, 1560, 1638, 1718, 1820, 2184, 2340, 2520, 2577, 2730, 3276, 3436, 3640, 4095, 4295, 4680, 5154, 5460, 6013, 6552, 6872, 7731, 8190, 8590, 10308, 10920, 11167, 12026, 12885, 15462, 16380, 17180, 18039, 20616, 22334, 24052, 25770, 30065, 30924, 32760, 33501, 34360, 36078, 38655, 44668, 48104, 51540, 54117, 55835, 60130, 61848, 67002, 72156, 77310, 78169, 89336, 90195, 100503, 103080, 108234, 111670, 120260, 134004, 144312, 154620, 156338, 167505, 180390, 201006, 216468, 223340, 234507, 240520, 268008, 270585, 309240, 312676, 335010, 360780, 390845, 402012, 432936, 446680, 469014, 502515, 541170, 625352, 670020, 703521, 721560, 781690, 804024, 938028, 1005030, 1082340, 1172535, 1340040, 1407042, 1563380, 1876056, 2010060, 2164680, 2345070, 2814084, 3126760, 3517605, 4020120, 4690140, 5628168, 7035210, 9380280, 14070420, 28140840]

約数ペア:

[(1, 28140840), (2, 14070420), (3, 9380280), (4, 7035210), (5, 5628168), (6, 4690140), (7, 4020120), (8, 3517605), (9, 3126760), (10, 2814084), (12, 2345070), (13, 2164680), (14, 2010060), (15, 1876056), (18, 1563380), (20, 1407042), (21, 1340040), (24, 1172535), (26, 1082340), (28, 1005030), (30, 938028), (35, 804024), (36, 781690), (39, 721560), (40, 703521), (42, 670020), (45, 625352), (52, 541170), (56, 502515), (60, 469014), (63, 446680), (65, 432936), (70, 402012), (72, 390845), (78, 360780), (84, 335010), (90, 312676), (91, 309240), (104, 270585), (105, 268008), (117, 240520), (120, 234507), (126, 223340), (130, 216468), (140, 201006), (156, 180390), (168, 167505), (180, 156338), (182, 154620), (195, 144312), (210, 134004), (234, 120260), (252, 111670), (260, 108234), (273, 103080), (280, 100503), (312, 90195), (315, 89336), (360, 78169), (364, 77310), (390, 72156), (420, 67002), (455, 61848), (468, 60130), (504, 55835), (520, 54117), (546, 51540), (585, 48104), (630, 44668), (728, 38655), (780, 36078), (819, 34360), (840, 33501), (859, 32760), (910, 30924), (936, 30065), (1092, 25770), (1170, 24052), (1260, 22334), (1365, 20616), (1560, 18039), (1638, 17180), (1718, 16380), (1820, 15462), (2184, 12885), (2340, 12026), (2520, 11167), (2577, 10920), (2730, 10308), (3276, 8590), (3436, 8190), (3640, 7731), (4095, 6872), (4295, 6552), (4680, 6013), (5154, 5460)]