1987453440

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{12323}}^1$

素因数の和:12359

約数の個数: 240

約数和(自身を含む): 7867050048

約数和(自身を除く): 5879596608

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2560, 2688, 2880, 3360, 3584, 3840, 4032, 4480, 4608, 5040, 5376, 5760, 6720, 7680, 8064, 8960, 10080, 10752, 11520, 12323, 13440, 16128, 17920, 20160, 23040, 24646, 26880, 32256, 36969, 40320, 49292, 53760, 61615, 73938, 80640, 86261, 98584, 110907, 123230, 147876, 161280, 172522, 184845, 197168, 221814, 246460, 258783, 295752, 345044, 369690, 394336, 431305, 443628, 492920, 517566, 554535, 591504, 690088, 739380, 776349, 788672, 862610, 887256, 985840, 1035132, 1109070, 1183008, 1293915, 1380176, 1478760, 1552698, 1577344, 1725220, 1774512, 1971680, 2070264, 2218140, 2366016, 2587830, 2760352, 2957520, 3105396, 3154688, 3450440, 3549024, 3881745, 3943360, 4140528, 4436280, 4732032, 5175660, 5520704, 5915040, 6210792, 6309376, 6900880, 7098048, 7763490, 7886720, 8281056, 8872560, 9464064, 10351320, 11041408, 11830080, 12421584, 13801760, 14196096, 15526980, 15773440, 16562112, 17745120, 18928128, 20702640, 22082816, 23660160, 24843168, 27603520, 28392192, 31053960, 31546880, 33124224, 35490240, 41405280, 44165632, 47320320, 49686336, 55207040, 56784384, 62107920, 66248448, 70980480, 82810560, 94640640, 99372672, 110414080, 124215840, 132496896, 141960960, 165621120, 198745344, 220828160, 248431680, 283921920, 331242240, 397490688, 496863360, 662484480, 993726720, 1987453440]

約数ペア:

[(1, 1987453440), (2, 993726720), (3, 662484480), (4, 496863360), (5, 397490688), (6, 331242240), (7, 283921920), (8, 248431680), (9, 220828160), (10, 198745344), (12, 165621120), (14, 141960960), (15, 132496896), (16, 124215840), (18, 110414080), (20, 99372672), (21, 94640640), (24, 82810560), (28, 70980480), (30, 66248448), (32, 62107920), (35, 56784384), (36, 55207040), (40, 49686336), (42, 47320320), (45, 44165632), (48, 41405280), (56, 35490240), (60, 33124224), (63, 31546880), (64, 31053960), (70, 28392192), (72, 27603520), (80, 24843168), (84, 23660160), (90, 22082816), (96, 20702640), (105, 18928128), (112, 17745120), (120, 16562112), (126, 15773440), (128, 15526980), (140, 14196096), (144, 13801760), (160, 12421584), (168, 11830080), (180, 11041408), (192, 10351320), (210, 9464064), (224, 8872560), (240, 8281056), (252, 7886720), (256, 7763490), (280, 7098048), (288, 6900880), (315, 6309376), (320, 6210792), (336, 5915040), (360, 5520704), (384, 5175660), (420, 4732032), (448, 4436280), (480, 4140528), (504, 3943360), (512, 3881745), (560, 3549024), (576, 3450440), (630, 3154688), (640, 3105396), (672, 2957520), (720, 2760352), (768, 2587830), (840, 2366016), (896, 2218140), (960, 2070264), (1008, 1971680), (1120, 1774512), (1152, 1725220), (1260, 1577344), (1280, 1552698), (1344, 1478760), (1440, 1380176), (1536, 1293915), (1680, 1183008), (1792, 1109070), (1920, 1035132), (2016, 985840), (2240, 887256), (2304, 862610), (2520, 788672), (2560, 776349), (2688, 739380), (2880, 690088), (3360, 591504), (3584, 554535), (3840, 517566), (4032, 492920), (4480, 443628), (4608, 431305), (5040, 394336), (5376, 369690), (5760, 345044), (6720, 295752), (7680, 258783), (8064, 246460), (8960, 221814), (10080, 197168), (10752, 184845), (11520, 172522), (12323, 161280), (13440, 147876), (16128, 123230), (17920, 110907), (20160, 98584), (23040, 86261), (24646, 80640), (26880, 73938), (32256, 61615), (36969, 53760), (40320, 49292)]