1278122880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:429

約数の個数: 256

約数和(自身を含む): 4307696640

約数和(自身を除く): 3029573760

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, 103, 115, 120, 128, 138, 160, 184, 192, 206, 230, 240, 276, 281, 309, 320, 345, 368, 384, 412, 460, 480, 515, 552, 562, 618, 640, 690, 736, 824, 843, 920, 960, 1030, 1104, 1124, 1236, 1380, 1405, 1472, 1545, 1648, 1686, 1840, 1920, 2060, 2208, 2248, 2369, 2472, 2760, 2810, 2944, 3090, 3296, 3372, 3680, 4120, 4215, 4416, 4496, 4738, 4944, 5520, 5620, 6180, 6463, 6592, 6744, 7107, 7360, 8240, 8430, 8832, 8992, 9476, 9888, 11040, 11240, 11845, 12360, 12926, 13184, 13488, 14214, 14720, 16480, 16860, 17984, 18952, 19389, 19776, 22080, 22480, 23690, 24720, 25852, 26976, 28428, 28943, 32315, 32960, 33720, 35535, 35968, 37904, 38778, 39552, 44160, 44960, 47380, 49440, 51704, 53952, 56856, 57886, 64630, 65920, 67440, 71070, 75808, 77556, 86829, 89920, 94760, 96945, 98880, 103408, 107904, 113712, 115772, 129260, 134880, 142140, 144715, 151616, 155112, 173658, 179840, 189520, 193890, 197760, 206816, 227424, 231544, 258520, 269760, 284280, 289430, 303232, 310224, 347316, 379040, 387780, 413632, 434145, 454848, 463088, 517040, 539520, 568560, 578860, 620448, 665689, 694632, 758080, 775560, 827264, 868290, 909696, 926176, 1034080, 1137120, 1157720, 1240896, 1331378, 1389264, 1516160, 1551120, 1736580, 1852352, 1997067, 2068160, 2274240, 2315440, 2481792, 2662756, 2778528, 3102240, 3328445, 3473160, 3704704, 3994134, 4136320, 4548480, 4630880, 5325512, 5557056, 6204480, 6656890, 6946320, 7988268, 9261760, 9985335, 10651024, 11114112, 12408960, 13313780, 13892640, 15976536, 18523520, 19970670, 21302048, 26627560, 27785280, 31953072, 39941340, 42604096, 53255120, 55570560, 63906144, 79882680, 85208192, 106510240, 127812288, 159765360, 213020480, 255624576, 319530720, 426040960, 639061440, 1278122880]

約数ペア:

[(1, 1278122880), (2, 639061440), (3, 426040960), (4, 319530720), (5, 255624576), (6, 213020480), (8, 159765360), (10, 127812288), (12, 106510240), (15, 85208192), (16, 79882680), (20, 63906144), (23, 55570560), (24, 53255120), (30, 42604096), (32, 39941340), (40, 31953072), (46, 27785280), (48, 26627560), (60, 21302048), (64, 19970670), (69, 18523520), (80, 15976536), (92, 13892640), (96, 13313780), (103, 12408960), (115, 11114112), (120, 10651024), (128, 9985335), (138, 9261760), (160, 7988268), (184, 6946320), (192, 6656890), (206, 6204480), (230, 5557056), (240, 5325512), (276, 4630880), (281, 4548480), (309, 4136320), (320, 3994134), (345, 3704704), (368, 3473160), (384, 3328445), (412, 3102240), (460, 2778528), (480, 2662756), (515, 2481792), (552, 2315440), (562, 2274240), (618, 2068160), (640, 1997067), (690, 1852352), (736, 1736580), (824, 1551120), (843, 1516160), (920, 1389264), (960, 1331378), (1030, 1240896), (1104, 1157720), (1124, 1137120), (1236, 1034080), (1380, 926176), (1405, 909696), (1472, 868290), (1545, 827264), (1648, 775560), (1686, 758080), (1840, 694632), (1920, 665689), (2060, 620448), (2208, 578860), (2248, 568560), (2369, 539520), (2472, 517040), (2760, 463088), (2810, 454848), (2944, 434145), (3090, 413632), (3296, 387780), (3372, 379040), (3680, 347316), (4120, 310224), (4215, 303232), (4416, 289430), (4496, 284280), (4738, 269760), (4944, 258520), (5520, 231544), (5620, 227424), (6180, 206816), (6463, 197760), (6592, 193890), (6744, 189520), (7107, 179840), (7360, 173658), (8240, 155112), (8430, 151616), (8832, 144715), (8992, 142140), (9476, 134880), (9888, 129260), (11040, 115772), (11240, 113712), (11845, 107904), (12360, 103408), (12926, 98880), (13184, 96945), (13488, 94760), (14214, 89920), (14720, 86829), (16480, 77556), (16860, 75808), (17984, 71070), (18952, 67440), (19389, 65920), (19776, 64630), (22080, 57886), (22480, 56856), (23690, 53952), (24720, 51704), (25852, 49440), (26976, 47380), (28428, 44960), (28943, 44160), (32315, 39552), (32960, 38778), (33720, 37904), (35535, 35968)]