281210880

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:254

約数の個数: 208

約数和(自身を含む): 943603200

約数和(自身を除く): 662392320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 199, 230, 240, 256, 276, 320, 345, 368, 384, 398, 460, 480, 512, 552, 597, 640, 690, 736, 768, 796, 920, 960, 995, 1024, 1104, 1194, 1280, 1380, 1472, 1536, 1592, 1840, 1920, 1990, 2048, 2208, 2388, 2560, 2760, 2944, 2985, 3072, 3184, 3680, 3840, 3980, 4096, 4416, 4577, 4776, 5120, 5520, 5888, 5970, 6144, 6368, 7360, 7680, 7960, 8832, 9154, 9552, 10240, 11040, 11776, 11940, 12288, 12736, 13731, 14720, 15360, 15920, 17664, 18308, 19104, 20480, 22080, 22885, 23552, 23880, 25472, 27462, 29440, 30720, 31840, 35328, 36616, 38208, 44160, 45770, 47104, 47760, 50944, 54924, 58880, 61440, 63680, 68655, 70656, 73232, 76416, 88320, 91540, 94208, 95520, 101888, 109848, 117760, 127360, 137310, 141312, 146464, 152832, 176640, 183080, 191040, 203776, 219696, 235520, 254720, 274620, 282624, 292928, 305664, 353280, 366160, 382080, 407552, 439392, 471040, 509440, 549240, 585856, 611328, 706560, 732320, 764160, 815104, 878784, 1018880, 1098480, 1171712, 1222656, 1413120, 1464640, 1528320, 1757568, 2037760, 2196960, 2343424, 2445312, 2929280, 3056640, 3515136, 4075520, 4393920, 4686848, 5858560, 6113280, 7030272, 8787840, 9373696, 11717120, 12226560, 14060544, 17575680, 18747392, 23434240, 28121088, 35151360, 46868480, 56242176, 70302720, 93736960, 140605440, 281210880]

約数ペア:

[(1, 281210880), (2, 140605440), (3, 93736960), (4, 70302720), (5, 56242176), (6, 46868480), (8, 35151360), (10, 28121088), (12, 23434240), (15, 18747392), (16, 17575680), (20, 14060544), (23, 12226560), (24, 11717120), (30, 9373696), (32, 8787840), (40, 7030272), (46, 6113280), (48, 5858560), (60, 4686848), (64, 4393920), (69, 4075520), (80, 3515136), (92, 3056640), (96, 2929280), (115, 2445312), (120, 2343424), (128, 2196960), (138, 2037760), (160, 1757568), (184, 1528320), (192, 1464640), (199, 1413120), (230, 1222656), (240, 1171712), (256, 1098480), (276, 1018880), (320, 878784), (345, 815104), (368, 764160), (384, 732320), (398, 706560), (460, 611328), (480, 585856), (512, 549240), (552, 509440), (597, 471040), (640, 439392), (690, 407552), (736, 382080), (768, 366160), (796, 353280), (920, 305664), (960, 292928), (995, 282624), (1024, 274620), (1104, 254720), (1194, 235520), (1280, 219696), (1380, 203776), (1472, 191040), (1536, 183080), (1592, 176640), (1840, 152832), (1920, 146464), (1990, 141312), (2048, 137310), (2208, 127360), (2388, 117760), (2560, 109848), (2760, 101888), (2944, 95520), (2985, 94208), (3072, 91540), (3184, 88320), (3680, 76416), (3840, 73232), (3980, 70656), (4096, 68655), (4416, 63680), (4577, 61440), (4776, 58880), (5120, 54924), (5520, 50944), (5888, 47760), (5970, 47104), (6144, 45770), (6368, 44160), (7360, 38208), (7680, 36616), (7960, 35328), (8832, 31840), (9154, 30720), (9552, 29440), (10240, 27462), (11040, 25472), (11776, 23880), (11940, 23552), (12288, 22885), (12736, 22080), (13731, 20480), (14720, 19104), (15360, 18308), (15920, 17664)]