1640511360

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{683}}^1$

素因数の和:850

約数の個数: 256

約数和(自身を含む): 5860512000

約数和(自身を除く): 4220000640

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, 90, 96, 108, 120, 128, 135, 139, 144, 160, 180, 192, 216, 240, 270, 278, 288, 320, 360, 384, 417, 432, 480, 540, 556, 576, 640, 683, 695, 720, 834, 864, 960, 1080, 1112, 1152, 1251, 1366, 1390, 1440, 1668, 1728, 1920, 2049, 2085, 2160, 2224, 2502, 2732, 2780, 2880, 3336, 3415, 3456, 3753, 4098, 4170, 4320, 4448, 5004, 5464, 5560, 5760, 6147, 6255, 6672, 6830, 7506, 8196, 8340, 8640, 8896, 10008, 10245, 10928, 11120, 12294, 12510, 13344, 13660, 15012, 16392, 16680, 17280, 17792, 18441, 18765, 20016, 20490, 21856, 22240, 24588, 25020, 26688, 27320, 30024, 30735, 32784, 33360, 36882, 37530, 40032, 40980, 43712, 44480, 49176, 50040, 53376, 54640, 60048, 61470, 65568, 66720, 73764, 75060, 80064, 81960, 87424, 88960, 92205, 94937, 98352, 100080, 109280, 120096, 122940, 131136, 133440, 147528, 150120, 160128, 163920, 184410, 189874, 196704, 200160, 218560, 240192, 245880, 262272, 266880, 284811, 295056, 300240, 327840, 368820, 379748, 393408, 400320, 437120, 474685, 480384, 491760, 569622, 590112, 600480, 655680, 737640, 759496, 786816, 800640, 854433, 949370, 983520, 1139244, 1180224, 1200960, 1311360, 1424055, 1475280, 1518992, 1708866, 1898740, 1967040, 2278488, 2360448, 2401920, 2563299, 2848110, 2950560, 3037984, 3417732, 3797480, 3934080, 4272165, 4556976, 5126598, 5696220, 5901120, 6075968, 6835464, 7594960, 8544330, 9113952, 10253196, 11392440, 11802240, 12151936, 12816495, 13670928, 15189920, 17088660, 18227904, 20506392, 22784880, 25632990, 27341856, 30379840, 34177320, 36455808, 41012784, 45569760, 51265980, 54683712, 60759680, 68354640, 82025568, 91139520, 102531960, 109367424, 136709280, 164051136, 182279040, 205063920, 273418560, 328102272, 410127840, 546837120, 820255680, 1640511360]

約数ペア:

[(1, 1640511360), (2, 820255680), (3, 546837120), (4, 410127840), (5, 328102272), (6, 273418560), (8, 205063920), (9, 182279040), (10, 164051136), (12, 136709280), (15, 109367424), (16, 102531960), (18, 91139520), (20, 82025568), (24, 68354640), (27, 60759680), (30, 54683712), (32, 51265980), (36, 45569760), (40, 41012784), (45, 36455808), (48, 34177320), (54, 30379840), (60, 27341856), (64, 25632990), (72, 22784880), (80, 20506392), (90, 18227904), (96, 17088660), (108, 15189920), (120, 13670928), (128, 12816495), (135, 12151936), (139, 11802240), (144, 11392440), (160, 10253196), (180, 9113952), (192, 8544330), (216, 7594960), (240, 6835464), (270, 6075968), (278, 5901120), (288, 5696220), (320, 5126598), (360, 4556976), (384, 4272165), (417, 3934080), (432, 3797480), (480, 3417732), (540, 3037984), (556, 2950560), (576, 2848110), (640, 2563299), (683, 2401920), (695, 2360448), (720, 2278488), (834, 1967040), (864, 1898740), (960, 1708866), (1080, 1518992), (1112, 1475280), (1152, 1424055), (1251, 1311360), (1366, 1200960), (1390, 1180224), (1440, 1139244), (1668, 983520), (1728, 949370), (1920, 854433), (2049, 800640), (2085, 786816), (2160, 759496), (2224, 737640), (2502, 655680), (2732, 600480), (2780, 590112), (2880, 569622), (3336, 491760), (3415, 480384), (3456, 474685), (3753, 437120), (4098, 400320), (4170, 393408), (4320, 379748), (4448, 368820), (5004, 327840), (5464, 300240), (5560, 295056), (5760, 284811), (6147, 266880), (6255, 262272), (6672, 245880), (6830, 240192), (7506, 218560), (8196, 200160), (8340, 196704), (8640, 189874), (8896, 184410), (10008, 163920), (10245, 160128), (10928, 150120), (11120, 147528), (12294, 133440), (12510, 131136), (13344, 122940), (13660, 120096), (15012, 109280), (16392, 100080), (16680, 98352), (17280, 94937), (17792, 92205), (18441, 88960), (18765, 87424), (20016, 81960), (20490, 80064), (21856, 75060), (22240, 73764), (24588, 66720), (25020, 65568), (26688, 61470), (27320, 60048), (30024, 54640), (30735, 53376), (32784, 50040), (33360, 49176), (36882, 44480), (37530, 43712), (40032, 40980)]