321027840

素因数分解:

$2^8\times 3^3\times 5^1\times 7^1\times {\mathrm{1327}}^1$

素因数の和:1364

約数の個数: 288

約数和(自身を含む): 1302927360

約数和(自身を除く): 981899520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 768, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1280, 1327, 1344, 1440, 1512, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2304, 2520, 2654, 2688, 2880, 3024, 3360, 3456, 3780, 3840, 3981, 4032, 4320, 4480, 5040, 5308, 5376, 5760, 6048, 6635, 6720, 6912, 7560, 7962, 8064, 8640, 8960, 9289, 10080, 10616, 11520, 11943, 12096, 13270, 13440, 15120, 15924, 16128, 17280, 18578, 19905, 20160, 21232, 23886, 24192, 26540, 26880, 27867, 30240, 31848, 34560, 35829, 37156, 39810, 40320, 42464, 46445, 47772, 48384, 53080, 55734, 59715, 60480, 63696, 71658, 74312, 79620, 80640, 83601, 84928, 92890, 95544, 106160, 111468, 119430, 120960, 127392, 139335, 143316, 148624, 159240, 167202, 169856, 179145, 185780, 191088, 212320, 222936, 238860, 241920, 250803, 254784, 278670, 286632, 297248, 318480, 334404, 339712, 358290, 371560, 382176, 418005, 424640, 445872, 477720, 501606, 509568, 557340, 573264, 594496, 636960, 668808, 716580, 743120, 764352, 836010, 849280, 891744, 955440, 1003212, 1019136, 1114680, 1146528, 1188992, 1254015, 1273920, 1337616, 1433160, 1486240, 1528704, 1672020, 1698560, 1783488, 1910880, 2006424, 2229360, 2293056, 2377984, 2508030, 2547840, 2675232, 2866320, 2972480, 3057408, 3344040, 3566976, 3821760, 4012848, 4458720, 4586112, 5016060, 5095680, 5350464, 5732640, 5944960, 6688080, 7133952, 7643520, 8025696, 8917440, 9172224, 10032120, 10700928, 11465280, 11889920, 13376160, 15287040, 16051392, 17834880, 20064240, 21401856, 22930560, 26752320, 32102784, 35669760, 40128480, 45861120, 53504640, 64205568, 80256960, 107009280, 160513920, 321027840]

約数ペア:

[(1, 321027840), (2, 160513920), (3, 107009280), (4, 80256960), (5, 64205568), (6, 53504640), (7, 45861120), (8, 40128480), (9, 35669760), (10, 32102784), (12, 26752320), (14, 22930560), (15, 21401856), (16, 20064240), (18, 17834880), (20, 16051392), (21, 15287040), (24, 13376160), (27, 11889920), (28, 11465280), (30, 10700928), (32, 10032120), (35, 9172224), (36, 8917440), (40, 8025696), (42, 7643520), (45, 7133952), (48, 6688080), (54, 5944960), (56, 5732640), (60, 5350464), (63, 5095680), (64, 5016060), (70, 4586112), (72, 4458720), (80, 4012848), (84, 3821760), (90, 3566976), (96, 3344040), (105, 3057408), (108, 2972480), (112, 2866320), (120, 2675232), (126, 2547840), (128, 2508030), (135, 2377984), (140, 2293056), (144, 2229360), (160, 2006424), (168, 1910880), (180, 1783488), (189, 1698560), (192, 1672020), (210, 1528704), (216, 1486240), (224, 1433160), (240, 1337616), (252, 1273920), (256, 1254015), (270, 1188992), (280, 1146528), (288, 1114680), (315, 1019136), (320, 1003212), (336, 955440), (360, 891744), (378, 849280), (384, 836010), (420, 764352), (432, 743120), (448, 716580), (480, 668808), (504, 636960), (540, 594496), (560, 573264), (576, 557340), (630, 509568), (640, 501606), (672, 477720), (720, 445872), (756, 424640), (768, 418005), (840, 382176), (864, 371560), (896, 358290), (945, 339712), (960, 334404), (1008, 318480), (1080, 297248), (1120, 286632), (1152, 278670), (1260, 254784), (1280, 250803), (1327, 241920), (1344, 238860), (1440, 222936), (1512, 212320), (1680, 191088), (1728, 185780), (1792, 179145), (1890, 169856), (1920, 167202), (2016, 159240), (2160, 148624), (2240, 143316), (2304, 139335), (2520, 127392), (2654, 120960), (2688, 119430), (2880, 111468), (3024, 106160), (3360, 95544), (3456, 92890), (3780, 84928), (3840, 83601), (3981, 80640), (4032, 79620), (4320, 74312), (4480, 71658), (5040, 63696), (5308, 60480), (5376, 59715), (5760, 55734), (6048, 53080), (6635, 48384), (6720, 47772), (6912, 46445), (7560, 42464), (7962, 40320), (8064, 39810), (8640, 37156), (8960, 35829), (9289, 34560), (10080, 31848), (10616, 30240), (11520, 27867), (11943, 26880), (12096, 26540), (13270, 24192), (13440, 23886), (15120, 21232), (15924, 20160), (16128, 19905), (17280, 18578)]