890277120

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{709}}^1$

素因数の和:845

約数の個数: 216

約数和(自身を含む): 3112909800

約数和(自身を除く): 2222632680

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, 109, 120, 128, 144, 160, 180, 192, 218, 240, 256, 288, 320, 327, 360, 384, 436, 480, 545, 576, 640, 654, 709, 720, 768, 872, 960, 981, 1090, 1152, 1280, 1308, 1418, 1440, 1635, 1744, 1920, 1962, 2127, 2180, 2304, 2616, 2836, 2880, 3270, 3488, 3545, 3840, 3924, 4254, 4360, 4905, 5232, 5672, 5760, 6381, 6540, 6976, 7090, 7848, 8508, 8720, 9810, 10464, 10635, 11344, 11520, 12762, 13080, 13952, 14180, 15696, 17016, 17440, 19620, 20928, 21270, 22688, 25524, 26160, 27904, 28360, 31392, 31905, 34032, 34880, 39240, 41856, 42540, 45376, 51048, 52320, 56720, 62784, 63810, 68064, 69760, 77281, 78480, 83712, 85080, 90752, 102096, 104640, 113440, 125568, 127620, 136128, 139520, 154562, 156960, 170160, 181504, 204192, 209280, 226880, 231843, 251136, 255240, 272256, 309124, 313920, 340320, 386405, 408384, 418560, 453760, 463686, 510480, 544512, 618248, 627840, 680640, 695529, 772810, 816768, 907520, 927372, 1020960, 1159215, 1236496, 1255680, 1361280, 1391058, 1545620, 1633536, 1854744, 2041920, 2318430, 2472992, 2722560, 2782116, 3091240, 3477645, 3709488, 4083840, 4636860, 4945984, 5564232, 6182480, 6955290, 7418976, 8167680, 9273720, 9891968, 11128464, 12364960, 13910580, 14837952, 18547440, 19783936, 22256928, 24729920, 27821160, 29675904, 37094880, 44513856, 49459840, 55642320, 59351808, 74189760, 89027712, 98919680, 111284640, 148379520, 178055424, 222569280, 296759040, 445138560, 890277120]

約数ペア:

[(1, 890277120), (2, 445138560), (3, 296759040), (4, 222569280), (5, 178055424), (6, 148379520), (8, 111284640), (9, 98919680), (10, 89027712), (12, 74189760), (15, 59351808), (16, 55642320), (18, 49459840), (20, 44513856), (24, 37094880), (30, 29675904), (32, 27821160), (36, 24729920), (40, 22256928), (45, 19783936), (48, 18547440), (60, 14837952), (64, 13910580), (72, 12364960), (80, 11128464), (90, 9891968), (96, 9273720), (109, 8167680), (120, 7418976), (128, 6955290), (144, 6182480), (160, 5564232), (180, 4945984), (192, 4636860), (218, 4083840), (240, 3709488), (256, 3477645), (288, 3091240), (320, 2782116), (327, 2722560), (360, 2472992), (384, 2318430), (436, 2041920), (480, 1854744), (545, 1633536), (576, 1545620), (640, 1391058), (654, 1361280), (709, 1255680), (720, 1236496), (768, 1159215), (872, 1020960), (960, 927372), (981, 907520), (1090, 816768), (1152, 772810), (1280, 695529), (1308, 680640), (1418, 627840), (1440, 618248), (1635, 544512), (1744, 510480), (1920, 463686), (1962, 453760), (2127, 418560), (2180, 408384), (2304, 386405), (2616, 340320), (2836, 313920), (2880, 309124), (3270, 272256), (3488, 255240), (3545, 251136), (3840, 231843), (3924, 226880), (4254, 209280), (4360, 204192), (4905, 181504), (5232, 170160), (5672, 156960), (5760, 154562), (6381, 139520), (6540, 136128), (6976, 127620), (7090, 125568), (7848, 113440), (8508, 104640), (8720, 102096), (9810, 90752), (10464, 85080), (10635, 83712), (11344, 78480), (11520, 77281), (12762, 69760), (13080, 68064), (13952, 63810), (14180, 62784), (15696, 56720), (17016, 52320), (17440, 51048), (19620, 45376), (20928, 42540), (21270, 41856), (22688, 39240), (25524, 34880), (26160, 34032), (27904, 31905), (28360, 31392)]