728381808

素因数分解:

$2^4\times 3^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{811}}^1$

素因数の和:855

約数の個数: 280

約数和(自身を含む): 2641247616

約数和(自身を除く): 1912865808

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 48, 54, 56, 63, 66, 72, 77, 81, 84, 88, 99, 108, 112, 126, 132, 144, 154, 162, 168, 176, 189, 198, 216, 231, 243, 252, 264, 297, 308, 324, 336, 378, 396, 432, 462, 486, 504, 528, 567, 594, 616, 648, 693, 729, 756, 792, 811, 891, 924, 972, 1008, 1134, 1188, 1232, 1296, 1386, 1458, 1512, 1584, 1622, 1701, 1782, 1848, 1944, 2079, 2268, 2376, 2433, 2673, 2772, 2916, 3024, 3244, 3402, 3564, 3696, 3888, 4158, 4536, 4752, 4866, 5103, 5346, 5544, 5677, 5832, 6237, 6488, 6804, 7128, 7299, 8019, 8316, 8921, 9072, 9732, 10206, 10692, 11088, 11354, 11664, 12474, 12976, 13608, 14256, 14598, 16038, 16632, 17031, 17842, 18711, 19464, 20412, 21384, 21897, 22708, 24948, 26763, 27216, 29196, 32076, 33264, 34062, 35684, 37422, 38928, 40824, 42768, 43794, 45416, 49896, 51093, 53526, 56133, 58392, 62447, 64152, 65691, 68124, 71368, 74844, 80289, 81648, 87588, 90832, 99792, 102186, 107052, 112266, 116784, 124894, 128304, 131382, 136248, 142736, 149688, 153279, 160578, 175176, 187341, 197073, 204372, 214104, 224532, 240867, 249788, 262764, 272496, 299376, 306558, 321156, 350352, 374682, 394146, 408744, 428208, 449064, 459837, 481734, 499576, 525528, 562023, 591219, 613116, 642312, 722601, 749364, 788292, 817488, 898128, 919674, 963468, 999152, 1051056, 1124046, 1182438, 1226232, 1284624, 1379511, 1445202, 1498728, 1576584, 1686069, 1839348, 1926936, 2167803, 2248092, 2364876, 2452464, 2759022, 2890404, 2997456, 3153168, 3372138, 3678696, 3853872, 4138533, 4335606, 4496184, 4729752, 5058207, 5518044, 5780808, 6503409, 6744276, 7357392, 8277066, 8671212, 8992368, 9459504, 10116414, 11036088, 11561616, 13006818, 13488552, 15174621, 16554132, 17342424, 20232828, 22072176, 26013636, 26977104, 30349242, 33108264, 34684848, 40465656, 45523863, 52027272, 60698484, 66216528, 80931312, 91047726, 104054544, 121396968, 182095452, 242793936, 364190904, 728381808]

約数ペア:

[(1, 728381808), (2, 364190904), (3, 242793936), (4, 182095452), (6, 121396968), (7, 104054544), (8, 91047726), (9, 80931312), (11, 66216528), (12, 60698484), (14, 52027272), (16, 45523863), (18, 40465656), (21, 34684848), (22, 33108264), (24, 30349242), (27, 26977104), (28, 26013636), (33, 22072176), (36, 20232828), (42, 17342424), (44, 16554132), (48, 15174621), (54, 13488552), (56, 13006818), (63, 11561616), (66, 11036088), (72, 10116414), (77, 9459504), (81, 8992368), (84, 8671212), (88, 8277066), (99, 7357392), (108, 6744276), (112, 6503409), (126, 5780808), (132, 5518044), (144, 5058207), (154, 4729752), (162, 4496184), (168, 4335606), (176, 4138533), (189, 3853872), (198, 3678696), (216, 3372138), (231, 3153168), (243, 2997456), (252, 2890404), (264, 2759022), (297, 2452464), (308, 2364876), (324, 2248092), (336, 2167803), (378, 1926936), (396, 1839348), (432, 1686069), (462, 1576584), (486, 1498728), (504, 1445202), (528, 1379511), (567, 1284624), (594, 1226232), (616, 1182438), (648, 1124046), (693, 1051056), (729, 999152), (756, 963468), (792, 919674), (811, 898128), (891, 817488), (924, 788292), (972, 749364), (1008, 722601), (1134, 642312), (1188, 613116), (1232, 591219), (1296, 562023), (1386, 525528), (1458, 499576), (1512, 481734), (1584, 459837), (1622, 449064), (1701, 428208), (1782, 408744), (1848, 394146), (1944, 374682), (2079, 350352), (2268, 321156), (2376, 306558), (2433, 299376), (2673, 272496), (2772, 262764), (2916, 249788), (3024, 240867), (3244, 224532), (3402, 214104), (3564, 204372), (3696, 197073), (3888, 187341), (4158, 175176), (4536, 160578), (4752, 153279), (4866, 149688), (5103, 142736), (5346, 136248), (5544, 131382), (5677, 128304), (5832, 124894), (6237, 116784), (6488, 112266), (6804, 107052), (7128, 102186), (7299, 99792), (8019, 90832), (8316, 87588), (8921, 81648), (9072, 80289), (9732, 74844), (10206, 71368), (10692, 68124), (11088, 65691), (11354, 64152), (11664, 62447), (12474, 58392), (12976, 56133), (13608, 53526), (14256, 51093), (14598, 49896), (16038, 45416), (16632, 43794), (17031, 42768), (17842, 40824), (18711, 38928), (19464, 37422), (20412, 35684), (21384, 34062), (21897, 33264), (22708, 32076), (24948, 29196), (26763, 27216)]