421653120

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:395

約数の個数: 256

約数和(自身を含む): 1553990400

約数和(自身を除く): 1132337280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 137, 140, 160, 168, 192, 210, 224, 229, 240, 274, 280, 320, 336, 384, 411, 420, 448, 458, 480, 548, 560, 640, 672, 685, 687, 822, 840, 896, 916, 959, 960, 1096, 1120, 1145, 1344, 1370, 1374, 1603, 1644, 1680, 1832, 1918, 1920, 2055, 2192, 2240, 2290, 2688, 2740, 2748, 2877, 3206, 3288, 3360, 3435, 3664, 3836, 4110, 4384, 4480, 4580, 4795, 4809, 5480, 5496, 5754, 6412, 6576, 6720, 6870, 7328, 7672, 8015, 8220, 8768, 9160, 9590, 9618, 10960, 10992, 11508, 12824, 13152, 13440, 13740, 14385, 14656, 15344, 16030, 16440, 17536, 18320, 19180, 19236, 21920, 21984, 23016, 24045, 25648, 26304, 27480, 28770, 29312, 30688, 31373, 32060, 32880, 36640, 38360, 38472, 43840, 43968, 46032, 48090, 51296, 52608, 54960, 57540, 61376, 62746, 64120, 65760, 73280, 76720, 76944, 87680, 87936, 92064, 94119, 96180, 102592, 109920, 115080, 122752, 125492, 128240, 131520, 146560, 153440, 153888, 156865, 184128, 188238, 192360, 205184, 219611, 219840, 230160, 250984, 256480, 263040, 306880, 307776, 313730, 368256, 376476, 384720, 439222, 439680, 460320, 470595, 501968, 512960, 613760, 615552, 627460, 658833, 752952, 769440, 878444, 920640, 941190, 1003936, 1025920, 1098055, 1254920, 1317666, 1505904, 1538880, 1756888, 1841280, 1882380, 2007872, 2196110, 2509840, 2635332, 3011808, 3077760, 3294165, 3513776, 3764760, 4015744, 4392220, 5019680, 5270664, 6023616, 6588330, 7027552, 7529520, 8784440, 10039360, 10541328, 12047232, 13176660, 14055104, 15059040, 17568880, 20078720, 21082656, 26353320, 28110208, 30118080, 35137760, 42165312, 52706640, 60236160, 70275520, 84330624, 105413280, 140551040, 210826560, 421653120]

約数ペア:

[(1, 421653120), (2, 210826560), (3, 140551040), (4, 105413280), (5, 84330624), (6, 70275520), (7, 60236160), (8, 52706640), (10, 42165312), (12, 35137760), (14, 30118080), (15, 28110208), (16, 26353320), (20, 21082656), (21, 20078720), (24, 17568880), (28, 15059040), (30, 14055104), (32, 13176660), (35, 12047232), (40, 10541328), (42, 10039360), (48, 8784440), (56, 7529520), (60, 7027552), (64, 6588330), (70, 6023616), (80, 5270664), (84, 5019680), (96, 4392220), (105, 4015744), (112, 3764760), (120, 3513776), (128, 3294165), (137, 3077760), (140, 3011808), (160, 2635332), (168, 2509840), (192, 2196110), (210, 2007872), (224, 1882380), (229, 1841280), (240, 1756888), (274, 1538880), (280, 1505904), (320, 1317666), (336, 1254920), (384, 1098055), (411, 1025920), (420, 1003936), (448, 941190), (458, 920640), (480, 878444), (548, 769440), (560, 752952), (640, 658833), (672, 627460), (685, 615552), (687, 613760), (822, 512960), (840, 501968), (896, 470595), (916, 460320), (959, 439680), (960, 439222), (1096, 384720), (1120, 376476), (1145, 368256), (1344, 313730), (1370, 307776), (1374, 306880), (1603, 263040), (1644, 256480), (1680, 250984), (1832, 230160), (1918, 219840), (1920, 219611), (2055, 205184), (2192, 192360), (2240, 188238), (2290, 184128), (2688, 156865), (2740, 153888), (2748, 153440), (2877, 146560), (3206, 131520), (3288, 128240), (3360, 125492), (3435, 122752), (3664, 115080), (3836, 109920), (4110, 102592), (4384, 96180), (4480, 94119), (4580, 92064), (4795, 87936), (4809, 87680), (5480, 76944), (5496, 76720), (5754, 73280), (6412, 65760), (6576, 64120), (6720, 62746), (6870, 61376), (7328, 57540), (7672, 54960), (8015, 52608), (8220, 51296), (8768, 48090), (9160, 46032), (9590, 43968), (9618, 43840), (10960, 38472), (10992, 38360), (11508, 36640), (12824, 32880), (13152, 32060), (13440, 31373), (13740, 30688), (14385, 29312), (14656, 28770), (15344, 27480), (16030, 26304), (16440, 25648), (17536, 24045), (18320, 23016), (19180, 21984), (19236, 21920)]