221915520

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{653}}^1$

素因数の和:737

約数の個数: 192

約数和(自身を含む): 780483600

約数和(自身を除く): 558568080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 59, 60, 64, 72, 80, 90, 96, 118, 120, 128, 144, 160, 177, 180, 192, 236, 240, 288, 295, 320, 354, 360, 384, 472, 480, 531, 576, 590, 640, 653, 708, 720, 885, 944, 960, 1062, 1152, 1180, 1306, 1416, 1440, 1770, 1888, 1920, 1959, 2124, 2360, 2612, 2655, 2832, 2880, 3265, 3540, 3776, 3918, 4248, 4720, 5224, 5310, 5664, 5760, 5877, 6530, 7080, 7552, 7836, 8496, 9440, 9795, 10448, 10620, 11328, 11754, 13060, 14160, 15672, 16992, 18880, 19590, 20896, 21240, 22656, 23508, 26120, 28320, 29385, 31344, 33984, 37760, 38527, 39180, 41792, 42480, 47016, 52240, 56640, 58770, 62688, 67968, 77054, 78360, 83584, 84960, 94032, 104480, 113280, 115581, 117540, 125376, 154108, 156720, 169920, 188064, 192635, 208960, 231162, 235080, 250752, 308216, 313440, 339840, 346743, 376128, 385270, 417920, 462324, 470160, 577905, 616432, 626880, 693486, 752256, 770540, 924648, 940320, 1155810, 1232864, 1253760, 1386972, 1541080, 1733715, 1849296, 1880640, 2311620, 2465728, 2773944, 3082160, 3467430, 3698592, 3761280, 4623240, 4931456, 5547888, 6164320, 6934860, 7397184, 9246480, 11095776, 12328640, 13869720, 14794368, 18492960, 22191552, 24657280, 27739440, 36985920, 44383104, 55478880, 73971840, 110957760, 221915520]

約数ペア:

[(1, 221915520), (2, 110957760), (3, 73971840), (4, 55478880), (5, 44383104), (6, 36985920), (8, 27739440), (9, 24657280), (10, 22191552), (12, 18492960), (15, 14794368), (16, 13869720), (18, 12328640), (20, 11095776), (24, 9246480), (30, 7397184), (32, 6934860), (36, 6164320), (40, 5547888), (45, 4931456), (48, 4623240), (59, 3761280), (60, 3698592), (64, 3467430), (72, 3082160), (80, 2773944), (90, 2465728), (96, 2311620), (118, 1880640), (120, 1849296), (128, 1733715), (144, 1541080), (160, 1386972), (177, 1253760), (180, 1232864), (192, 1155810), (236, 940320), (240, 924648), (288, 770540), (295, 752256), (320, 693486), (354, 626880), (360, 616432), (384, 577905), (472, 470160), (480, 462324), (531, 417920), (576, 385270), (590, 376128), (640, 346743), (653, 339840), (708, 313440), (720, 308216), (885, 250752), (944, 235080), (960, 231162), (1062, 208960), (1152, 192635), (1180, 188064), (1306, 169920), (1416, 156720), (1440, 154108), (1770, 125376), (1888, 117540), (1920, 115581), (1959, 113280), (2124, 104480), (2360, 94032), (2612, 84960), (2655, 83584), (2832, 78360), (2880, 77054), (3265, 67968), (3540, 62688), (3776, 58770), (3918, 56640), (4248, 52240), (4720, 47016), (5224, 42480), (5310, 41792), (5664, 39180), (5760, 38527), (5877, 37760), (6530, 33984), (7080, 31344), (7552, 29385), (7836, 28320), (8496, 26120), (9440, 23508), (9795, 22656), (10448, 21240), (10620, 20896), (11328, 19590), (11754, 18880), (13060, 16992), (14160, 15672)]