287550720

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:365

約数の個数: 216

約数和(自身を含む): 1008407400

約数和(自身を除く): 720856680

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, 229, 240, 256, 288, 320, 327, 360, 384, 436, 458, 480, 545, 576, 640, 654, 687, 720, 768, 872, 916, 960, 981, 1090, 1145, 1152, 1280, 1308, 1374, 1440, 1635, 1744, 1832, 1920, 1962, 2061, 2180, 2290, 2304, 2616, 2748, 2880, 3270, 3435, 3488, 3664, 3840, 3924, 4122, 4360, 4580, 4905, 5232, 5496, 5760, 6540, 6870, 6976, 7328, 7848, 8244, 8720, 9160, 9810, 10305, 10464, 10992, 11520, 13080, 13740, 13952, 14656, 15696, 16488, 17440, 18320, 19620, 20610, 20928, 21984, 24961, 26160, 27480, 27904, 29312, 31392, 32976, 34880, 36640, 39240, 41220, 41856, 43968, 49922, 52320, 54960, 58624, 62784, 65952, 69760, 73280, 74883, 78480, 82440, 83712, 87936, 99844, 104640, 109920, 124805, 125568, 131904, 139520, 146560, 149766, 156960, 164880, 175872, 199688, 209280, 219840, 224649, 249610, 251136, 263808, 293120, 299532, 313920, 329760, 374415, 399376, 418560, 439680, 449298, 499220, 527616, 599064, 627840, 659520, 748830, 798752, 879360, 898596, 998440, 1123245, 1198128, 1255680, 1319040, 1497660, 1597504, 1797192, 1996880, 2246490, 2396256, 2638080, 2995320, 3195008, 3594384, 3993760, 4492980, 4792512, 5990640, 6390016, 7188768, 7987520, 8985960, 9585024, 11981280, 14377536, 15975040, 17971920, 19170048, 23962560, 28755072, 31950080, 35943840, 47925120, 57510144, 71887680, 95850240, 143775360, 287550720]

約数ペア:

[(1, 287550720), (2, 143775360), (3, 95850240), (4, 71887680), (5, 57510144), (6, 47925120), (8, 35943840), (9, 31950080), (10, 28755072), (12, 23962560), (15, 19170048), (16, 17971920), (18, 15975040), (20, 14377536), (24, 11981280), (30, 9585024), (32, 8985960), (36, 7987520), (40, 7188768), (45, 6390016), (48, 5990640), (60, 4792512), (64, 4492980), (72, 3993760), (80, 3594384), (90, 3195008), (96, 2995320), (109, 2638080), (120, 2396256), (128, 2246490), (144, 1996880), (160, 1797192), (180, 1597504), (192, 1497660), (218, 1319040), (229, 1255680), (240, 1198128), (256, 1123245), (288, 998440), (320, 898596), (327, 879360), (360, 798752), (384, 748830), (436, 659520), (458, 627840), (480, 599064), (545, 527616), (576, 499220), (640, 449298), (654, 439680), (687, 418560), (720, 399376), (768, 374415), (872, 329760), (916, 313920), (960, 299532), (981, 293120), (1090, 263808), (1145, 251136), (1152, 249610), (1280, 224649), (1308, 219840), (1374, 209280), (1440, 199688), (1635, 175872), (1744, 164880), (1832, 156960), (1920, 149766), (1962, 146560), (2061, 139520), (2180, 131904), (2290, 125568), (2304, 124805), (2616, 109920), (2748, 104640), (2880, 99844), (3270, 87936), (3435, 83712), (3488, 82440), (3664, 78480), (3840, 74883), (3924, 73280), (4122, 69760), (4360, 65952), (4580, 62784), (4905, 58624), (5232, 54960), (5496, 52320), (5760, 49922), (6540, 43968), (6870, 41856), (6976, 41220), (7328, 39240), (7848, 36640), (8244, 34880), (8720, 32976), (9160, 31392), (9810, 29312), (10305, 27904), (10464, 27480), (10992, 26160), (11520, 24961), (13080, 21984), (13740, 20928), (13952, 20610), (14656, 19620), (15696, 18320), (16488, 17440)]