204802560

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{2963}}^1$

素因数の和:2995

約数の個数: 160

約数和(自身を含む): 727721280

約数和(自身を除く): 522918720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2160, 2304, 2560, 2880, 2963, 3456, 3840, 4320, 4608, 5760, 5926, 6912, 7680, 8640, 8889, 11520, 11852, 13824, 14815, 17280, 17778, 23040, 23704, 26667, 29630, 34560, 35556, 44445, 47408, 53334, 59260, 69120, 71112, 80001, 88890, 94816, 106668, 118520, 133335, 142224, 160002, 177780, 189632, 213336, 237040, 266670, 284448, 320004, 355560, 379264, 400005, 426672, 474080, 533340, 568896, 640008, 711120, 758528, 800010, 853344, 948160, 1066680, 1137792, 1280016, 1422240, 1517056, 1600020, 1706688, 1896320, 2133360, 2275584, 2560032, 2844480, 3200040, 3413376, 3792640, 4266720, 4551168, 5120064, 5688960, 6400080, 6826752, 7585280, 8533440, 10240128, 11377920, 12800160, 13653504, 17066880, 20480256, 22755840, 25600320, 34133760, 40960512, 51200640, 68267520, 102401280, 204802560]

約数ペア:

[(1, 204802560), (2, 102401280), (3, 68267520), (4, 51200640), (5, 40960512), (6, 34133760), (8, 25600320), (9, 22755840), (10, 20480256), (12, 17066880), (15, 13653504), (16, 12800160), (18, 11377920), (20, 10240128), (24, 8533440), (27, 7585280), (30, 6826752), (32, 6400080), (36, 5688960), (40, 5120064), (45, 4551168), (48, 4266720), (54, 3792640), (60, 3413376), (64, 3200040), (72, 2844480), (80, 2560032), (90, 2275584), (96, 2133360), (108, 1896320), (120, 1706688), (128, 1600020), (135, 1517056), (144, 1422240), (160, 1280016), (180, 1137792), (192, 1066680), (216, 948160), (240, 853344), (256, 800010), (270, 758528), (288, 711120), (320, 640008), (360, 568896), (384, 533340), (432, 474080), (480, 426672), (512, 400005), (540, 379264), (576, 355560), (640, 320004), (720, 284448), (768, 266670), (864, 237040), (960, 213336), (1080, 189632), (1152, 177780), (1280, 160002), (1440, 142224), (1536, 133335), (1728, 118520), (1920, 106668), (2160, 94816), (2304, 88890), (2560, 80001), (2880, 71112), (2963, 69120), (3456, 59260), (3840, 53334), (4320, 47408), (4608, 44445), (5760, 35556), (5926, 34560), (6912, 29630), (7680, 26667), (8640, 23704), (8889, 23040), (11520, 17778), (11852, 17280), (13824, 14815)]