2121987840

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{887}}^1$

素因数の和:1007

約数の個数: 288

約数和(自身を含む): 7841111040

約数和(自身を除く): 5719123200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 89, 96, 105, 112, 120, 128, 140, 160, 168, 178, 192, 210, 224, 240, 256, 267, 280, 320, 336, 356, 384, 420, 445, 448, 480, 534, 560, 623, 640, 672, 712, 768, 840, 887, 890, 896, 960, 1068, 1120, 1246, 1280, 1335, 1344, 1424, 1680, 1774, 1780, 1792, 1869, 1920, 2136, 2240, 2492, 2661, 2670, 2688, 2848, 3115, 3360, 3548, 3560, 3738, 3840, 4272, 4435, 4480, 4984, 5322, 5340, 5376, 5696, 6209, 6230, 6720, 7096, 7120, 7476, 8544, 8870, 8960, 9345, 9968, 10644, 10680, 11392, 12418, 12460, 13305, 13440, 14192, 14240, 14952, 17088, 17740, 18627, 18690, 19936, 21288, 21360, 22784, 24836, 24920, 26610, 26880, 28384, 28480, 29904, 31045, 34176, 35480, 37254, 37380, 39872, 42576, 42720, 49672, 49840, 53220, 56768, 56960, 59808, 62090, 68352, 70960, 74508, 74760, 78943, 79744, 85152, 85440, 93135, 99344, 99680, 106440, 113536, 113920, 119616, 124180, 141920, 149016, 149520, 157886, 159488, 170304, 170880, 186270, 198688, 199360, 212880, 227072, 236829, 239232, 248360, 283840, 298032, 299040, 315772, 340608, 341760, 372540, 394715, 397376, 398720, 425760, 473658, 478464, 496720, 552601, 567680, 596064, 598080, 631544, 681216, 745080, 789430, 794752, 797440, 851520, 947316, 993440, 1105202, 1135360, 1184145, 1192128, 1196160, 1263088, 1490160, 1578860, 1589504, 1657803, 1703040, 1894632, 1986880, 2210404, 2368290, 2384256, 2392320, 2526176, 2763005, 2980320, 3157720, 3315606, 3406080, 3789264, 3973760, 4420808, 4736580, 4768512, 5052352, 5526010, 5960640, 6315440, 6631212, 7578528, 7947520, 8289015, 8841616, 9473160, 10104704, 11052020, 11921280, 12630880, 13262424, 15157056, 16578030, 17683232, 18946320, 20209408, 22104040, 23842560, 25261760, 26524848, 30314112, 33156060, 35366464, 37892640, 44208080, 50523520, 53049696, 60628224, 66312120, 70732928, 75785280, 88416160, 101047040, 106099392, 132624240, 141465856, 151570560, 176832320, 212198784, 265248480, 303141120, 353664640, 424397568, 530496960, 707329280, 1060993920, 2121987840]

約数ペア:

[(1, 2121987840), (2, 1060993920), (3, 707329280), (4, 530496960), (5, 424397568), (6, 353664640), (7, 303141120), (8, 265248480), (10, 212198784), (12, 176832320), (14, 151570560), (15, 141465856), (16, 132624240), (20, 106099392), (21, 101047040), (24, 88416160), (28, 75785280), (30, 70732928), (32, 66312120), (35, 60628224), (40, 53049696), (42, 50523520), (48, 44208080), (56, 37892640), (60, 35366464), (64, 33156060), (70, 30314112), (80, 26524848), (84, 25261760), (89, 23842560), (96, 22104040), (105, 20209408), (112, 18946320), (120, 17683232), (128, 16578030), (140, 15157056), (160, 13262424), (168, 12630880), (178, 11921280), (192, 11052020), (210, 10104704), (224, 9473160), (240, 8841616), (256, 8289015), (267, 7947520), (280, 7578528), (320, 6631212), (336, 6315440), (356, 5960640), (384, 5526010), (420, 5052352), (445, 4768512), (448, 4736580), (480, 4420808), (534, 3973760), (560, 3789264), (623, 3406080), (640, 3315606), (672, 3157720), (712, 2980320), (768, 2763005), (840, 2526176), (887, 2392320), (890, 2384256), (896, 2368290), (960, 2210404), (1068, 1986880), (1120, 1894632), (1246, 1703040), (1280, 1657803), (1335, 1589504), (1344, 1578860), (1424, 1490160), (1680, 1263088), (1774, 1196160), (1780, 1192128), (1792, 1184145), (1869, 1135360), (1920, 1105202), (2136, 993440), (2240, 947316), (2492, 851520), (2661, 797440), (2670, 794752), (2688, 789430), (2848, 745080), (3115, 681216), (3360, 631544), (3548, 598080), (3560, 596064), (3738, 567680), (3840, 552601), (4272, 496720), (4435, 478464), (4480, 473658), (4984, 425760), (5322, 398720), (5340, 397376), (5376, 394715), (5696, 372540), (6209, 341760), (6230, 340608), (6720, 315772), (7096, 299040), (7120, 298032), (7476, 283840), (8544, 248360), (8870, 239232), (8960, 236829), (9345, 227072), (9968, 212880), (10644, 199360), (10680, 198688), (11392, 186270), (12418, 170880), (12460, 170304), (13305, 159488), (13440, 157886), (14192, 149520), (14240, 149016), (14952, 141920), (17088, 124180), (17740, 119616), (18627, 113920), (18690, 113536), (19936, 106440), (21288, 99680), (21360, 99344), (22784, 93135), (24836, 85440), (24920, 85152), (26610, 79744), (26880, 78943), (28384, 74760), (28480, 74508), (29904, 70960), (31045, 68352), (34176, 62090), (35480, 59808), (37254, 56960), (37380, 56768), (39872, 53220), (42576, 49840), (42720, 49672)]