321056640

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:565

約数の個数: 192

約数和(自身を含む): 1119409200

約数和(自身を除く): 798352560

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, 278, 288, 320, 360, 384, 401, 417, 480, 556, 576, 640, 695, 720, 802, 834, 960, 1112, 1152, 1203, 1251, 1390, 1440, 1604, 1668, 1920, 2005, 2085, 2224, 2406, 2502, 2780, 2880, 3208, 3336, 3609, 4010, 4170, 4448, 4812, 5004, 5560, 5760, 6015, 6255, 6416, 6672, 7218, 8020, 8340, 8896, 9624, 10008, 11120, 12030, 12510, 12832, 13344, 14436, 16040, 16680, 17792, 18045, 19248, 20016, 22240, 24060, 25020, 25664, 26688, 28872, 32080, 33360, 36090, 38496, 40032, 44480, 48120, 50040, 51328, 53376, 55739, 57744, 64160, 66720, 72180, 76992, 80064, 88960, 96240, 100080, 111478, 115488, 128320, 133440, 144360, 153984, 160128, 167217, 192480, 200160, 222956, 230976, 256640, 266880, 278695, 288720, 334434, 384960, 400320, 445912, 461952, 501651, 557390, 577440, 668868, 769920, 800640, 836085, 891824, 1003302, 1114780, 1154880, 1337736, 1672170, 1783648, 2006604, 2229560, 2309760, 2508255, 2675472, 3344340, 3567296, 4013208, 4459120, 5016510, 5350944, 6688680, 7134592, 8026416, 8918240, 10033020, 10701888, 13377360, 16052832, 17836480, 20066040, 21403776, 26754720, 32105664, 35672960, 40132080, 53509440, 64211328, 80264160, 107018880, 160528320, 321056640]

約数ペア:

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