642113280

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:567

約数の個数: 216

約数和(自身を含む): 2243208240

約数和(自身を除く): 1601094960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 139, 144, 160, 180, 192, 240, 256, 278, 288, 320, 360, 384, 401, 417, 480, 556, 576, 640, 695, 720, 768, 802, 834, 960, 1112, 1152, 1203, 1251, 1280, 1390, 1440, 1604, 1668, 1920, 2005, 2085, 2224, 2304, 2406, 2502, 2780, 2880, 3208, 3336, 3609, 3840, 4010, 4170, 4448, 4812, 5004, 5560, 5760, 6015, 6255, 6416, 6672, 7218, 8020, 8340, 8896, 9624, 10008, 11120, 11520, 12030, 12510, 12832, 13344, 14436, 16040, 16680, 17792, 18045, 19248, 20016, 22240, 24060, 25020, 25664, 26688, 28872, 32080, 33360, 35584, 36090, 38496, 40032, 44480, 48120, 50040, 51328, 53376, 55739, 57744, 64160, 66720, 72180, 76992, 80064, 88960, 96240, 100080, 102656, 106752, 111478, 115488, 128320, 133440, 144360, 153984, 160128, 167217, 177920, 192480, 200160, 222956, 230976, 256640, 266880, 278695, 288720, 307968, 320256, 334434, 384960, 400320, 445912, 461952, 501651, 513280, 533760, 557390, 577440, 668868, 769920, 800640, 836085, 891824, 923904, 1003302, 1114780, 1154880, 1337736, 1539840, 1601280, 1672170, 1783648, 2006604, 2229560, 2309760, 2508255, 2675472, 3344340, 3567296, 4013208, 4459120, 4619520, 5016510, 5350944, 6688680, 7134592, 8026416, 8918240, 10033020, 10701888, 13377360, 14269184, 16052832, 17836480, 20066040, 21403776, 26754720, 32105664, 35672960, 40132080, 42807552, 53509440, 64211328, 71345920, 80264160, 107018880, 128422656, 160528320, 214037760, 321056640, 642113280]

約数ペア:

[(1, 642113280), (2, 321056640), (3, 214037760), (4, 160528320), (5, 128422656), (6, 107018880), (8, 80264160), (9, 71345920), (10, 64211328), (12, 53509440), (15, 42807552), (16, 40132080), (18, 35672960), (20, 32105664), (24, 26754720), (30, 21403776), (32, 20066040), (36, 17836480), (40, 16052832), (45, 14269184), (48, 13377360), (60, 10701888), (64, 10033020), (72, 8918240), (80, 8026416), (90, 7134592), (96, 6688680), (120, 5350944), (128, 5016510), (139, 4619520), (144, 4459120), (160, 4013208), (180, 3567296), (192, 3344340), (240, 2675472), (256, 2508255), (278, 2309760), (288, 2229560), (320, 2006604), (360, 1783648), (384, 1672170), (401, 1601280), (417, 1539840), (480, 1337736), (556, 1154880), (576, 1114780), (640, 1003302), (695, 923904), (720, 891824), (768, 836085), (802, 800640), (834, 769920), (960, 668868), (1112, 577440), (1152, 557390), (1203, 533760), (1251, 513280), (1280, 501651), (1390, 461952), (1440, 445912), (1604, 400320), (1668, 384960), (1920, 334434), (2005, 320256), (2085, 307968), (2224, 288720), (2304, 278695), (2406, 266880), (2502, 256640), (2780, 230976), (2880, 222956), (3208, 200160), (3336, 192480), (3609, 177920), (3840, 167217), (4010, 160128), (4170, 153984), (4448, 144360), (4812, 133440), (5004, 128320), (5560, 115488), (5760, 111478), (6015, 106752), (6255, 102656), (6416, 100080), (6672, 96240), (7218, 88960), (8020, 80064), (8340, 76992), (8896, 72180), (9624, 66720), (10008, 64160), (11120, 57744), (11520, 55739), (12030, 53376), (12510, 51328), (12832, 50040), (13344, 48120), (14436, 44480), (16040, 40032), (16680, 38496), (17792, 36090), (18045, 35584), (19248, 33360), (20016, 32080), (22240, 28872), (24060, 26688), (25020, 25664)]