278991360

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{12109}}^1$

素因数の和:12138

約数の個数: 120

約数和(自身を含む): 966305340

約数和(自身を除く): 687313980

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, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5760, 7680, 11520, 12109, 23040, 24218, 36327, 48436, 60545, 72654, 96872, 108981, 121090, 145308, 181635, 193744, 217962, 242180, 290616, 363270, 387488, 435924, 484360, 544905, 581232, 726540, 774976, 871848, 968720, 1089810, 1162464, 1453080, 1549952, 1743696, 1937440, 2179620, 2324928, 2906160, 3099904, 3487392, 3874880, 4359240, 4649856, 5812320, 6199808, 6974784, 7749760, 8718480, 9299712, 11624640, 13949568, 15499520, 17436960, 18599424, 23249280, 27899136, 30999040, 34873920, 46498560, 55798272, 69747840, 92997120, 139495680, 278991360]

約数ペア:

[(1, 278991360), (2, 139495680), (3, 92997120), (4, 69747840), (5, 55798272), (6, 46498560), (8, 34873920), (9, 30999040), (10, 27899136), (12, 23249280), (15, 18599424), (16, 17436960), (18, 15499520), (20, 13949568), (24, 11624640), (30, 9299712), (32, 8718480), (36, 7749760), (40, 6974784), (45, 6199808), (48, 5812320), (60, 4649856), (64, 4359240), (72, 3874880), (80, 3487392), (90, 3099904), (96, 2906160), (120, 2324928), (128, 2179620), (144, 1937440), (160, 1743696), (180, 1549952), (192, 1453080), (240, 1162464), (256, 1089810), (288, 968720), (320, 871848), (360, 774976), (384, 726540), (480, 581232), (512, 544905), (576, 484360), (640, 435924), (720, 387488), (768, 363270), (960, 290616), (1152, 242180), (1280, 217962), (1440, 193744), (1536, 181635), (1920, 145308), (2304, 121090), (2560, 108981), (2880, 96872), (3840, 72654), (4608, 60545), (5760, 48436), (7680, 36327), (11520, 24218), (12109, 23040)]