205378560

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{4457}}^1$

素因数の和:4488

約数の個数: 132

約数和(自身を含む): 711791028

約数和(自身を除く): 506412468

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, 1024, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3072, 3840, 4457, 4608, 5120, 5760, 7680, 8914, 9216, 11520, 13371, 15360, 17828, 22285, 23040, 26742, 35656, 40113, 44570, 46080, 53484, 66855, 71312, 80226, 89140, 106968, 133710, 142624, 160452, 178280, 200565, 213936, 267420, 285248, 320904, 356560, 401130, 427872, 534840, 570496, 641808, 713120, 802260, 855744, 1069680, 1140992, 1283616, 1426240, 1604520, 1711488, 2139360, 2281984, 2567232, 2852480, 3209040, 3422976, 4278720, 4563968, 5134464, 5704960, 6418080, 6845952, 8557440, 10268928, 11409920, 12836160, 13691904, 17114880, 20537856, 22819840, 25672320, 34229760, 41075712, 51344640, 68459520, 102689280, 205378560]

約数ペア:

[(1, 205378560), (2, 102689280), (3, 68459520), (4, 51344640), (5, 41075712), (6, 34229760), (8, 25672320), (9, 22819840), (10, 20537856), (12, 17114880), (15, 13691904), (16, 12836160), (18, 11409920), (20, 10268928), (24, 8557440), (30, 6845952), (32, 6418080), (36, 5704960), (40, 5134464), (45, 4563968), (48, 4278720), (60, 3422976), (64, 3209040), (72, 2852480), (80, 2567232), (90, 2281984), (96, 2139360), (120, 1711488), (128, 1604520), (144, 1426240), (160, 1283616), (180, 1140992), (192, 1069680), (240, 855744), (256, 802260), (288, 713120), (320, 641808), (360, 570496), (384, 534840), (480, 427872), (512, 401130), (576, 356560), (640, 320904), (720, 285248), (768, 267420), (960, 213936), (1024, 200565), (1152, 178280), (1280, 160452), (1440, 142624), (1536, 133710), (1920, 106968), (2304, 89140), (2560, 80226), (2880, 71312), (3072, 66855), (3840, 53484), (4457, 46080), (4608, 44570), (5120, 40113), (5760, 35656), (7680, 26742), (8914, 23040), (9216, 22285), (11520, 17828), (13371, 15360)]