640048320

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:228

約数の個数: 336

約数和(自身を含む): 2327989248

約数和(自身を除く): 1687940928

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 67, 72, 80, 90, 93, 96, 107, 120, 124, 134, 144, 155, 160, 180, 186, 192, 201, 214, 240, 248, 268, 279, 288, 310, 320, 321, 335, 360, 372, 402, 428, 465, 480, 496, 535, 536, 558, 576, 603, 620, 642, 670, 720, 744, 804, 856, 930, 960, 963, 992, 1005, 1070, 1072, 1116, 1206, 1240, 1284, 1340, 1395, 1440, 1488, 1605, 1608, 1712, 1860, 1926, 1984, 2010, 2077, 2140, 2144, 2232, 2412, 2480, 2568, 2680, 2790, 2880, 2976, 3015, 3210, 3216, 3317, 3424, 3720, 3852, 4020, 4154, 4280, 4288, 4464, 4815, 4824, 4960, 5136, 5360, 5580, 5952, 6030, 6231, 6420, 6432, 6634, 6848, 7169, 7440, 7704, 8040, 8308, 8560, 8928, 9630, 9648, 9920, 9951, 10272, 10385, 10720, 11160, 12060, 12462, 12840, 12864, 13268, 14338, 14880, 15408, 16080, 16585, 16616, 17120, 17856, 18693, 19260, 19296, 19902, 20544, 20770, 21440, 21507, 22320, 24120, 24924, 25680, 26536, 28676, 29760, 29853, 30816, 31155, 32160, 33170, 33232, 34240, 35845, 37386, 38520, 38592, 39804, 41540, 43014, 44640, 48240, 49755, 49848, 51360, 53072, 57352, 59706, 61632, 62310, 64320, 64521, 66340, 66464, 71690, 74772, 77040, 79608, 83080, 86028, 89280, 93465, 96480, 99510, 99696, 102720, 106144, 107535, 114704, 119412, 124620, 129042, 132680, 132928, 143380, 149265, 149544, 154080, 159216, 166160, 172056, 186930, 192960, 199020, 199392, 212288, 215070, 222239, 229408, 238824, 249240, 258084, 265360, 286760, 298530, 299088, 308160, 318432, 322605, 332320, 344112, 373860, 398040, 398784, 430140, 444478, 458816, 477648, 498480, 516168, 530720, 573520, 597060, 598176, 636864, 645210, 664640, 666717, 688224, 747720, 796080, 860280, 888956, 955296, 996960, 1032336, 1061440, 1111195, 1147040, 1194120, 1196352, 1290420, 1333434, 1376448, 1495440, 1592160, 1720560, 1777912, 1910592, 1993920, 2000151, 2064672, 2222390, 2294080, 2388240, 2580840, 2666868, 2990880, 3184320, 3333585, 3441120, 3555824, 4000302, 4129344, 4444780, 4776480, 5161680, 5333736, 5981760, 6667170, 6882240, 7111648, 8000604, 8889560, 9552960, 10000755, 10323360, 10667472, 13334340, 14223296, 16001208, 17779120, 20001510, 20646720, 21334944, 26668680, 32002416, 35558240, 40003020, 42669888, 53337360, 64004832, 71116480, 80006040, 106674720, 128009664, 160012080, 213349440, 320024160, 640048320]

約数ペア:

[(1, 640048320), (2, 320024160), (3, 213349440), (4, 160012080), (5, 128009664), (6, 106674720), (8, 80006040), (9, 71116480), (10, 64004832), (12, 53337360), (15, 42669888), (16, 40003020), (18, 35558240), (20, 32002416), (24, 26668680), (30, 21334944), (31, 20646720), (32, 20001510), (36, 17779120), (40, 16001208), (45, 14223296), (48, 13334340), (60, 10667472), (62, 10323360), (64, 10000755), (67, 9552960), (72, 8889560), (80, 8000604), (90, 7111648), (93, 6882240), (96, 6667170), (107, 5981760), (120, 5333736), (124, 5161680), (134, 4776480), (144, 4444780), (155, 4129344), (160, 4000302), (180, 3555824), (186, 3441120), (192, 3333585), (201, 3184320), (214, 2990880), (240, 2666868), (248, 2580840), (268, 2388240), (279, 2294080), (288, 2222390), (310, 2064672), (320, 2000151), (321, 1993920), (335, 1910592), (360, 1777912), (372, 1720560), (402, 1592160), (428, 1495440), (465, 1376448), (480, 1333434), (496, 1290420), (535, 1196352), (536, 1194120), (558, 1147040), (576, 1111195), (603, 1061440), (620, 1032336), (642, 996960), (670, 955296), (720, 888956), (744, 860280), (804, 796080), (856, 747720), (930, 688224), (960, 666717), (963, 664640), (992, 645210), (1005, 636864), (1070, 598176), (1072, 597060), (1116, 573520), (1206, 530720), (1240, 516168), (1284, 498480), (1340, 477648), (1395, 458816), (1440, 444478), (1488, 430140), (1605, 398784), (1608, 398040), (1712, 373860), (1860, 344112), (1926, 332320), (1984, 322605), (2010, 318432), (2077, 308160), (2140, 299088), (2144, 298530), (2232, 286760), (2412, 265360), (2480, 258084), (2568, 249240), (2680, 238824), (2790, 229408), (2880, 222239), (2976, 215070), (3015, 212288), (3210, 199392), (3216, 199020), (3317, 192960), (3424, 186930), (3720, 172056), (3852, 166160), (4020, 159216), (4154, 154080), (4280, 149544), (4288, 149265), (4464, 143380), (4815, 132928), (4824, 132680), (4960, 129042), (5136, 124620), (5360, 119412), (5580, 114704), (5952, 107535), (6030, 106144), (6231, 102720), (6420, 99696), (6432, 99510), (6634, 96480), (6848, 93465), (7169, 89280), (7440, 86028), (7704, 83080), (8040, 79608), (8308, 77040), (8560, 74772), (8928, 71690), (9630, 66464), (9648, 66340), (9920, 64521), (9951, 64320), (10272, 62310), (10385, 61632), (10720, 59706), (11160, 57352), (12060, 53072), (12462, 51360), (12840, 49848), (12864, 49755), (13268, 48240), (14338, 44640), (14880, 43014), (15408, 41540), (16080, 39804), (16585, 38592), (16616, 38520), (17120, 37386), (17856, 35845), (18693, 34240), (19260, 33232), (19296, 33170), (19902, 32160), (20544, 31155), (20770, 30816), (21440, 29853), (21507, 29760), (22320, 28676), (24120, 26536), (24924, 25680)]