217344960

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{10781}}^1$

素因数の和:10811

約数の個数: 168

約数和(自身を含む): 854451936

約数和(自身を除く): 637106976

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 10781, 20160, 21562, 32343, 43124, 53905, 64686, 75467, 86248, 97029, 107810, 129372, 150934, 161715, 172496, 194058, 215620, 226401, 258744, 301868, 323430, 344992, 377335, 388116, 431240, 452802, 485145, 517488, 603736, 646860, 679203, 689984, 754670, 776232, 862480, 905604, 970290, 1034976, 1132005, 1207472, 1293720, 1358406, 1509340, 1552464, 1724960, 1811208, 1940580, 2069952, 2264010, 2414944, 2587440, 2716812, 3018680, 3104928, 3396015, 3449920, 3622416, 3881160, 4528020, 4829888, 5174880, 5433624, 6037360, 6209856, 6792030, 7244832, 7762320, 9056040, 10349760, 10867248, 12074720, 13584060, 14489664, 15524640, 18112080, 21734496, 24149440, 27168120, 31049280, 36224160, 43468992, 54336240, 72448320, 108672480, 217344960]

約数ペア:

[(1, 217344960), (2, 108672480), (3, 72448320), (4, 54336240), (5, 43468992), (6, 36224160), (7, 31049280), (8, 27168120), (9, 24149440), (10, 21734496), (12, 18112080), (14, 15524640), (15, 14489664), (16, 13584060), (18, 12074720), (20, 10867248), (21, 10349760), (24, 9056040), (28, 7762320), (30, 7244832), (32, 6792030), (35, 6209856), (36, 6037360), (40, 5433624), (42, 5174880), (45, 4829888), (48, 4528020), (56, 3881160), (60, 3622416), (63, 3449920), (64, 3396015), (70, 3104928), (72, 3018680), (80, 2716812), (84, 2587440), (90, 2414944), (96, 2264010), (105, 2069952), (112, 1940580), (120, 1811208), (126, 1724960), (140, 1552464), (144, 1509340), (160, 1358406), (168, 1293720), (180, 1207472), (192, 1132005), (210, 1034976), (224, 970290), (240, 905604), (252, 862480), (280, 776232), (288, 754670), (315, 689984), (320, 679203), (336, 646860), (360, 603736), (420, 517488), (448, 485145), (480, 452802), (504, 431240), (560, 388116), (576, 377335), (630, 344992), (672, 323430), (720, 301868), (840, 258744), (960, 226401), (1008, 215620), (1120, 194058), (1260, 172496), (1344, 161715), (1440, 150934), (1680, 129372), (2016, 107810), (2240, 97029), (2520, 86248), (2880, 75467), (3360, 64686), (4032, 53905), (5040, 43124), (6720, 32343), (10080, 21562), (10781, 20160)]