280385863680

素因数分解:

$2^{14}\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:248

約数の個数: 960

約数和(自身を含む): 1056932352000

約数和(自身を除く): 776546488320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 31, 32, 38, 39, 40, 48, 52, 57, 60, 62, 64, 65, 76, 78, 80, 93, 95, 96, 104, 114, 120, 124, 128, 130, 149, 152, 155, 156, 160, 186, 190, 192, 195, 208, 228, 240, 247, 248, 256, 260, 285, 298, 304, 310, 312, 320, 372, 380, 384, 390, 403, 416, 447, 456, 465, 480, 494, 496, 512, 520, 570, 589, 596, 608, 620, 624, 640, 741, 744, 745, 760, 768, 780, 806, 832, 894, 912, 930, 960, 988, 992, 1024, 1040, 1140, 1178, 1192, 1209, 1216, 1235, 1240, 1248, 1280, 1482, 1488, 1490, 1520, 1536, 1560, 1612, 1664, 1767, 1788, 1824, 1860, 1920, 1937, 1976, 1984, 2015, 2048, 2080, 2235, 2280, 2356, 2384, 2418, 2432, 2470, 2480, 2496, 2560, 2831, 2945, 2964, 2976, 2980, 3040, 3072, 3120, 3224, 3328, 3534, 3576, 3648, 3705, 3720, 3840, 3874, 3952, 3968, 4030, 4096, 4160, 4470, 4560, 4619, 4712, 4768, 4836, 4864, 4940, 4960, 4992, 5120, 5662, 5811, 5890, 5928, 5952, 5960, 6045, 6080, 6144, 6240, 6448, 6656, 7068, 7152, 7296, 7410, 7440, 7657, 7680, 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約数ペア:

[(1, 280385863680), (2, 140192931840), (3, 93461954560), (4, 70096465920), (5, 56077172736), (6, 46730977280), (8, 35048232960), (10, 28038586368), (12, 23365488640), (13, 21568143360), (15, 18692390912), (16, 17524116480), (19, 14757150720), (20, 14019293184), (24, 11682744320), (26, 10784071680), (30, 9346195456), (31, 9044705280), (32, 8762058240), (38, 7378575360), (39, 7189381120), (40, 7009646592), (48, 5841372160), (52, 5392035840), (57, 4919050240), (60, 4673097728), (62, 4522352640), (64, 4381029120), (65, 4313628672), (76, 3689287680), (78, 3594690560), (80, 3504823296), (93, 3014901760), (95, 2951430144), (96, 2920686080), (104, 2696017920), (114, 2459525120), (120, 2336548864), (124, 2261176320), (128, 2190514560), (130, 2156814336), (149, 1881784320), (152, 1844643840), (155, 1808941056), (156, 1797345280), (160, 1752411648), (186, 1507450880), (190, 1475715072), (192, 1460343040), (195, 1437876224), (208, 1348008960), (228, 1229762560), (240, 1168274432), (247, 1135165440), (248, 1130588160), (256, 1095257280), (260, 1078407168), (285, 983810048), (298, 940892160), (304, 922321920), (310, 904470528), (312, 898672640), (320, 876205824), (372, 753725440), (380, 737857536), (384, 730171520), (390, 718938112), (403, 695746560), (416, 674004480), (447, 627261440), (456, 614881280), (465, 602980352), (480, 584137216), (494, 567582720), (496, 565294080), (512, 547628640), (520, 539203584), (570, 491905024), (589, 476037120), (596, 470446080), (608, 461160960), (620, 452235264), (624, 449336320), (640, 438102912), (741, 378388480), (744, 376862720), (745, 376356864), (760, 368928768), (768, 365085760), (780, 359469056), (806, 347873280), (832, 337002240), (894, 313630720), (912, 307440640), (930, 301490176), (960, 292068608), (988, 283791360), (992, 282647040), (1024, 273814320), (1040, 269601792), (1140, 245952512), (1178, 238018560), (1192, 235223040), (1209, 231915520), (1216, 230580480), (1235, 227033088), (1240, 226117632), (1248, 224668160), 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(282720, 991744), (286080, 980096), (291840, 960752), (294424, 952320), (295616, 948480), (300235, 933888), (301568, 929760), (305152, 918840), (306280, 915456), (309504, 905920), (309920, 904704), (311296, 900705), (316160, 886848), (317440, 883272), (319488, 877610), (339720, 825344), (351044, 798720), (360282, 778240), (362368, 773760), (367536, 762880), (368030, 761856), (369520, 758784), (371904, 753920), (376960, 743808), (379392, 739040), (380928, 736060), (381440, 735072), (386880, 724736), (389120, 720564), (399360, 702088), (412672, 679440), (438805, 638976), (441636, 634880), (443424, 632320), (452352, 619840), (452960, 619008), (457728, 612560), (459420, 610304), (464880, 603136), (466944, 600470), (474240, 591232), (476160, 588848), (480376, 583680), (490048, 572160), (495872, 565440), (505856, 554280), (507904, 552045), (515840, 543552), (526566, 532480)]