81077760

素因数分解:

$2^9\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:75

約数の個数: 400

約数和(自身を含む): 320845536

約数和(自身を除く): 239767776

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 23, 24, 27, 30, 32, 34, 36, 40, 45, 46, 48, 51, 54, 60, 64, 68, 69, 72, 80, 81, 85, 90, 92, 96, 102, 108, 115, 120, 128, 135, 136, 138, 144, 153, 160, 162, 170, 180, 184, 192, 204, 207, 216, 230, 240, 255, 256, 270, 272, 276, 288, 306, 320, 324, 340, 345, 360, 368, 384, 391, 405, 408, 414, 432, 459, 460, 480, 510, 512, 540, 544, 552, 576, 612, 621, 640, 648, 680, 690, 720, 736, 765, 768, 782, 810, 816, 828, 864, 918, 920, 960, 1020, 1035, 1080, 1088, 1104, 1152, 1173, 1224, 1242, 1280, 1296, 1360, 1377, 1380, 1440, 1472, 1530, 1536, 1564, 1620, 1632, 1656, 1728, 1836, 1840, 1863, 1920, 1955, 2040, 2070, 2160, 2176, 2208, 2295, 2304, 2346, 2448, 2484, 2560, 2592, 2720, 2754, 2760, 2880, 2944, 3060, 3105, 3128, 3240, 3264, 3312, 3456, 3519, 3672, 3680, 3726, 3840, 3910, 4080, 4140, 4320, 4352, 4416, 4590, 4608, 4692, 4896, 4968, 5184, 5440, 5508, 5520, 5760, 5865, 5888, 6120, 6210, 6256, 6480, 6528, 6624, 6885, 6912, 7038, 7344, 7360, 7452, 7680, 7820, 8160, 8280, 8640, 8704, 8832, 9180, 9315, 9384, 9792, 9936, 10368, 10557, 10880, 11016, 11040, 11520, 11730, 11776, 12240, 12420, 12512, 12960, 13056, 13248, 13770, 13824, 14076, 14688, 14720, 14904, 15640, 16320, 16560, 17280, 17595, 17664, 18360, 18630, 18768, 19584, 19872, 20736, 21114, 21760, 22032, 22080, 23040, 23460, 24480, 24840, 25024, 25920, 26112, 26496, 27540, 28152, 29376, 29440, 29808, 31280, 31671, 32640, 33120, 34560, 35190, 35328, 36720, 37260, 37536, 39168, 39744, 41472, 42228, 43520, 44064, 44160, 46920, 48960, 49680, 50048, 51840, 52785, 52992, 55080, 56304, 58752, 58880, 59616, 62560, 63342, 65280, 66240, 69120, 70380, 73440, 74520, 75072, 78336, 79488, 84456, 88128, 88320, 93840, 97920, 99360, 100096, 103680, 105570, 105984, 110160, 112608, 117504, 119232, 125120, 126684, 130560, 132480, 140760, 146880, 149040, 150144, 158355, 158976, 168912, 176256, 176640, 187680, 195840, 198720, 200192, 207360, 211140, 220320, 225216, 235008, 238464, 250240, 253368, 264960, 281520, 293760, 298080, 300288, 316710, 317952, 337824, 352512, 375360, 391680, 397440, 422280, 440640, 450432, 476928, 500480, 506736, 529920, 563040, 587520, 596160, 600576, 633420, 675648, 705024, 750720, 794880, 844560, 881280, 900864, 953856, 1000960, 1013472, 1126080, 1175040, 1192320, 1266840, 1351296, 1501440, 1589760, 1689120, 1762560, 1801728, 2026944, 2252160, 2384640, 2533680, 2702592, 3002880, 3378240, 3525120, 4053888, 4504320, 4769280, 5067360, 5405184, 6756480, 8107776, 9008640, 10134720, 13512960, 16215552, 20269440, 27025920, 40538880, 81077760]

約数ペア:

[(1, 81077760), (2, 40538880), (3, 27025920), (4, 20269440), (5, 16215552), (6, 13512960), (8, 10134720), (9, 9008640), (10, 8107776), (12, 6756480), (15, 5405184), (16, 5067360), (17, 4769280), (18, 4504320), (20, 4053888), (23, 3525120), (24, 3378240), (27, 3002880), (30, 2702592), (32, 2533680), (34, 2384640), (36, 2252160), (40, 2026944), (45, 1801728), (46, 1762560), (48, 1689120), (51, 1589760), (54, 1501440), (60, 1351296), (64, 1266840), (68, 1192320), (69, 1175040), (72, 1126080), (80, 1013472), (81, 1000960), (85, 953856), (90, 900864), (92, 881280), (96, 844560), (102, 794880), (108, 750720), (115, 705024), (120, 675648), (128, 633420), (135, 600576), (136, 596160), (138, 587520), (144, 563040), (153, 529920), (160, 506736), (162, 500480), (170, 476928), (180, 450432), (184, 440640), (192, 422280), (204, 397440), (207, 391680), (216, 375360), (230, 352512), (240, 337824), (255, 317952), (256, 316710), (270, 300288), (272, 298080), (276, 293760), (288, 281520), (306, 264960), (320, 253368), (324, 250240), (340, 238464), (345, 235008), (360, 225216), (368, 220320), (384, 211140), (391, 207360), (405, 200192), (408, 198720), (414, 195840), (432, 187680), (459, 176640), (460, 176256), (480, 168912), (510, 158976), (512, 158355), (540, 150144), (544, 149040), (552, 146880), (576, 140760), (612, 132480), (621, 130560), (640, 126684), (648, 125120), (680, 119232), (690, 117504), (720, 112608), (736, 110160), (765, 105984), (768, 105570), (782, 103680), (810, 100096), (816, 99360), (828, 97920), (864, 93840), (918, 88320), (920, 88128), (960, 84456), (1020, 79488), (1035, 78336), (1080, 75072), (1088, 74520), (1104, 73440), (1152, 70380), (1173, 69120), (1224, 66240), (1242, 65280), (1280, 63342), (1296, 62560), (1360, 59616), (1377, 58880), (1380, 58752), (1440, 56304), (1472, 55080), (1530, 52992), (1536, 52785), (1564, 51840), (1620, 50048), (1632, 49680), (1656, 48960), (1728, 46920), (1836, 44160), (1840, 44064), (1863, 43520), (1920, 42228), (1955, 41472), (2040, 39744), (2070, 39168), (2160, 37536), (2176, 37260), (2208, 36720), (2295, 35328), (2304, 35190), (2346, 34560), (2448, 33120), (2484, 32640), (2560, 31671), (2592, 31280), (2720, 29808), (2754, 29440), (2760, 29376), (2880, 28152), (2944, 27540), (3060, 26496), (3105, 26112), (3128, 25920), (3240, 25024), (3264, 24840), (3312, 24480), (3456, 23460), (3519, 23040), (3672, 22080), (3680, 22032), (3726, 21760), (3840, 21114), (3910, 20736), (4080, 19872), (4140, 19584), (4320, 18768), (4352, 18630), (4416, 18360), (4590, 17664), (4608, 17595), (4692, 17280), (4896, 16560), (4968, 16320), (5184, 15640), (5440, 14904), (5508, 14720), (5520, 14688), (5760, 14076), (5865, 13824), (5888, 13770), (6120, 13248), (6210, 13056), (6256, 12960), (6480, 12512), (6528, 12420), (6624, 12240), (6885, 11776), (6912, 11730), (7038, 11520), (7344, 11040), (7360, 11016), (7452, 10880), (7680, 10557), (7820, 10368), (8160, 9936), (8280, 9792), (8640, 9384), (8704, 9315), (8832, 9180)]