1918909440

素因数分解:

$2^{10}\times 3^4\times 5^1\times 7^1\times {\mathrm{661}}^1$

素因数の和:705

約数の個数: 440

約数和(自身を含む): 7870502112

約数和(自身を除く): 5951592672

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 324, 336, 360, 378, 384, 405, 420, 432, 448, 480, 504, 512, 540, 560, 567, 576, 630, 640, 648, 661, 672, 720, 756, 768, 810, 840, 864, 896, 945, 960, 1008, 1024, 1080, 1120, 1134, 1152, 1260, 1280, 1296, 1322, 1344, 1440, 1512, 1536, 1620, 1680, 1728, 1792, 1890, 1920, 1983, 2016, 2160, 2240, 2268, 2304, 2520, 2560, 2592, 2644, 2688, 2835, 2880, 3024, 3072, 3240, 3305, 3360, 3456, 3584, 3780, 3840, 3966, 4032, 4320, 4480, 4536, 4608, 4627, 5040, 5120, 5184, 5288, 5376, 5670, 5760, 5949, 6048, 6480, 6610, 6720, 6912, 7168, 7560, 7680, 7932, 8064, 8640, 8960, 9072, 9216, 9254, 9915, 10080, 10368, 10576, 10752, 11340, 11520, 11898, 12096, 12960, 13220, 13440, 13824, 13881, 15120, 15360, 15864, 16128, 17280, 17847, 17920, 18144, 18508, 19830, 20160, 20736, 21152, 21504, 22680, 23040, 23135, 23796, 24192, 25920, 26440, 26880, 27648, 27762, 29745, 30240, 31728, 32256, 34560, 35694, 35840, 36288, 37016, 39660, 40320, 41472, 41643, 42304, 45360, 46080, 46270, 47592, 48384, 51840, 52880, 53541, 53760, 55524, 59490, 60480, 63456, 64512, 69120, 69405, 71388, 72576, 74032, 79320, 80640, 82944, 83286, 84608, 89235, 90720, 92540, 95184, 96768, 103680, 105760, 107082, 107520, 111048, 118980, 120960, 124929, 126912, 138240, 138810, 142776, 145152, 148064, 158640, 161280, 166572, 169216, 178470, 181440, 185080, 190368, 193536, 207360, 208215, 211520, 214164, 222096, 237960, 241920, 249858, 253824, 267705, 277620, 285552, 290304, 296128, 317280, 322560, 333144, 338432, 356940, 362880, 370160, 374787, 380736, 414720, 416430, 423040, 428328, 444192, 475920, 483840, 499716, 507648, 535410, 555240, 571104, 580608, 592256, 624645, 634560, 666288, 676864, 713880, 725760, 740320, 749574, 761472, 832860, 846080, 856656, 888384, 951840, 967680, 999432, 1015296, 1070820, 1110480, 1142208, 1184512, 1249290, 1269120, 1332576, 1427760, 1451520, 1480640, 1499148, 1522944, 1665720, 1692160, 1713312, 1776768, 1873935, 1903680, 1998864, 2030592, 2141640, 2220960, 2284416, 2369024, 2498580, 2538240, 2665152, 2855520, 2903040, 2961280, 2998296, 3045888, 3331440, 3384320, 3426624, 3553536, 3747870, 3807360, 3997728, 4283280, 4441920, 4568832, 4738048, 4997160, 5076480, 5330304, 5711040, 5922560, 5996592, 6091776, 6662880, 6853248, 7107072, 7495740, 7614720, 7995456, 8566560, 8883840, 9137664, 9994320, 10152960, 10660608, 11422080, 11845120, 11993184, 13325760, 13706496, 14214144, 14991480, 15229440, 15990912, 17133120, 17767680, 18275328, 19988640, 21321216, 22844160, 23690240, 23986368, 26651520, 27412992, 29982960, 30458880, 31981824, 34266240, 35535360, 39977280, 42642432, 45688320, 47972736, 53303040, 54825984, 59965920, 63963648, 68532480, 71070720, 79954560, 91376640, 95945472, 106606080, 119931840, 127927296, 137064960, 159909120, 191890944, 213212160, 239863680, 274129920, 319818240, 383781888, 479727360, 639636480, 959454720, 1918909440]

約数ペア:

[(1, 1918909440), (2, 959454720), (3, 639636480), (4, 479727360), (5, 383781888), (6, 319818240), (7, 274129920), (8, 239863680), (9, 213212160), (10, 191890944), (12, 159909120), (14, 137064960), (15, 127927296), (16, 119931840), (18, 106606080), (20, 95945472), (21, 91376640), (24, 79954560), (27, 71070720), (28, 68532480), (30, 63963648), (32, 59965920), (35, 54825984), (36, 53303040), (40, 47972736), (42, 45688320), (45, 42642432), (48, 39977280), (54, 35535360), (56, 34266240), (60, 31981824), (63, 30458880), (64, 29982960), (70, 27412992), (72, 26651520), (80, 23986368), (81, 23690240), (84, 22844160), (90, 21321216), (96, 19988640), (105, 18275328), (108, 17767680), (112, 17133120), (120, 15990912), (126, 15229440), (128, 14991480), (135, 14214144), (140, 13706496), (144, 13325760), (160, 11993184), (162, 11845120), (168, 11422080), (180, 10660608), (189, 10152960), (192, 9994320), (210, 9137664), (216, 8883840), (224, 8566560), (240, 7995456), (252, 7614720), (256, 7495740), (270, 7107072), (280, 6853248), (288, 6662880), (315, 6091776), (320, 5996592), (324, 5922560), (336, 5711040), (360, 5330304), (378, 5076480), (384, 4997160), (405, 4738048), (420, 4568832), (432, 4441920), (448, 4283280), (480, 3997728), (504, 3807360), (512, 3747870), (540, 3553536), (560, 3426624), (567, 3384320), (576, 3331440), (630, 3045888), (640, 2998296), (648, 2961280), (661, 2903040), (672, 2855520), (720, 2665152), (756, 2538240), (768, 2498580), (810, 2369024), (840, 2284416), (864, 2220960), (896, 2141640), (945, 2030592), (960, 1998864), (1008, 1903680), (1024, 1873935), (1080, 1776768), (1120, 1713312), (1134, 1692160), (1152, 1665720), (1260, 1522944), (1280, 1499148), (1296, 1480640), (1322, 1451520), (1344, 1427760), (1440, 1332576), (1512, 1269120), (1536, 1249290), (1620, 1184512), (1680, 1142208), (1728, 1110480), (1792, 1070820), (1890, 1015296), (1920, 999432), (1983, 967680), (2016, 951840), (2160, 888384), (2240, 856656), (2268, 846080), (2304, 832860), (2520, 761472), (2560, 749574), (2592, 740320), (2644, 725760), (2688, 713880), (2835, 676864), (2880, 666288), (3024, 634560), (3072, 624645), (3240, 592256), (3305, 580608), (3360, 571104), (3456, 555240), (3584, 535410), (3780, 507648), (3840, 499716), (3966, 483840), (4032, 475920), (4320, 444192), (4480, 428328), (4536, 423040), (4608, 416430), (4627, 414720), (5040, 380736), (5120, 374787), (5184, 370160), (5288, 362880), (5376, 356940), (5670, 338432), (5760, 333144), (5949, 322560), (6048, 317280), (6480, 296128), (6610, 290304), (6720, 285552), (6912, 277620), (7168, 267705), (7560, 253824), (7680, 249858), (7932, 241920), (8064, 237960), (8640, 222096), (8960, 214164), (9072, 211520), (9216, 208215), (9254, 207360), (9915, 193536), (10080, 190368), (10368, 185080), (10576, 181440), (10752, 178470), (11340, 169216), (11520, 166572), (11898, 161280), (12096, 158640), (12960, 148064), (13220, 145152), (13440, 142776), (13824, 138810), (13881, 138240), (15120, 126912), (15360, 124929), (15864, 120960), (16128, 118980), (17280, 111048), (17847, 107520), (17920, 107082), (18144, 105760), (18508, 103680), (19830, 96768), (20160, 95184), (20736, 92540), (21152, 90720), (21504, 89235), (22680, 84608), (23040, 83286), (23135, 82944), (23796, 80640), (24192, 79320), (25920, 74032), (26440, 72576), (26880, 71388), (27648, 69405), (27762, 69120), (29745, 64512), (30240, 63456), (31728, 60480), (32256, 59490), (34560, 55524), (35694, 53760), (35840, 53541), (36288, 52880), (37016, 51840), (39660, 48384), (40320, 47592), (41472, 46270), (41643, 46080), (42304, 45360)]