218507520

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{739}}^1$

素因数の和:781

約数の個数: 288

約数和(自身を含む): 871234560

約数和(自身を除く): 652727040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 128, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 256, 264, 280, 308, 320, 330, 336, 352, 384, 385, 420, 440, 448, 462, 480, 528, 560, 616, 640, 660, 672, 704, 739, 768, 770, 840, 880, 896, 924, 960, 1056, 1120, 1155, 1232, 1280, 1320, 1344, 1408, 1478, 1540, 1680, 1760, 1792, 1848, 1920, 2112, 2217, 2240, 2310, 2464, 2640, 2688, 2816, 2956, 3080, 3360, 3520, 3695, 3696, 3840, 4224, 4434, 4480, 4620, 4928, 5173, 5280, 5376, 5912, 6160, 6720, 7040, 7390, 7392, 8129, 8448, 8868, 8960, 9240, 9856, 10346, 10560, 11085, 11824, 12320, 13440, 14080, 14780, 14784, 15519, 16258, 17736, 18480, 19712, 20692, 21120, 22170, 23648, 24387, 24640, 25865, 26880, 29560, 29568, 31038, 32516, 35472, 36960, 40645, 41384, 42240, 44340, 47296, 48774, 49280, 51730, 56903, 59120, 59136, 62076, 65032, 70944, 73920, 77595, 81290, 82768, 88680, 94592, 97548, 98560, 103460, 113806, 118240, 121935, 124152, 130064, 141888, 147840, 155190, 162580, 165536, 170709, 177360, 189184, 195096, 206920, 227612, 236480, 243870, 248304, 260128, 283776, 284515, 295680, 310380, 325160, 331072, 341418, 354720, 390192, 413840, 455224, 472960, 487740, 496608, 520256, 567552, 569030, 620760, 650320, 662144, 682836, 709440, 780384, 827680, 853545, 910448, 945920, 975480, 993216, 1040512, 1138060, 1241520, 1300640, 1324288, 1365672, 1418880, 1560768, 1655360, 1707090, 1820896, 1950960, 1986432, 2081024, 2276120, 2483040, 2601280, 2731344, 2837760, 3121536, 3310720, 3414180, 3641792, 3901920, 3972864, 4552240, 4966080, 5202560, 5462688, 6243072, 6621440, 6828360, 7283584, 7803840, 9104480, 9932160, 10405120, 10925376, 13656720, 14567168, 15607680, 18208960, 19864320, 21850752, 27313440, 31215360, 36417920, 43701504, 54626880, 72835840, 109253760, 218507520]

約数ペア:

[(1, 218507520), (2, 109253760), (3, 72835840), (4, 54626880), (5, 43701504), (6, 36417920), (7, 31215360), (8, 27313440), (10, 21850752), (11, 19864320), (12, 18208960), (14, 15607680), (15, 14567168), (16, 13656720), (20, 10925376), (21, 10405120), (22, 9932160), (24, 9104480), (28, 7803840), (30, 7283584), (32, 6828360), (33, 6621440), (35, 6243072), (40, 5462688), (42, 5202560), (44, 4966080), (48, 4552240), (55, 3972864), (56, 3901920), (60, 3641792), (64, 3414180), (66, 3310720), (70, 3121536), (77, 2837760), (80, 2731344), (84, 2601280), (88, 2483040), (96, 2276120), (105, 2081024), (110, 1986432), (112, 1950960), (120, 1820896), (128, 1707090), (132, 1655360), (140, 1560768), (154, 1418880), (160, 1365672), (165, 1324288), (168, 1300640), (176, 1241520), (192, 1138060), (210, 1040512), (220, 993216), (224, 975480), (231, 945920), (240, 910448), (256, 853545), (264, 827680), (280, 780384), (308, 709440), (320, 682836), (330, 662144), (336, 650320), (352, 620760), (384, 569030), (385, 567552), (420, 520256), (440, 496608), (448, 487740), (462, 472960), (480, 455224), (528, 413840), (560, 390192), (616, 354720), (640, 341418), (660, 331072), (672, 325160), (704, 310380), (739, 295680), (768, 284515), (770, 283776), (840, 260128), (880, 248304), (896, 243870), (924, 236480), (960, 227612), (1056, 206920), (1120, 195096), (1155, 189184), (1232, 177360), (1280, 170709), (1320, 165536), (1344, 162580), (1408, 155190), (1478, 147840), (1540, 141888), (1680, 130064), (1760, 124152), (1792, 121935), (1848, 118240), (1920, 113806), (2112, 103460), (2217, 98560), (2240, 97548), (2310, 94592), (2464, 88680), (2640, 82768), (2688, 81290), (2816, 77595), (2956, 73920), (3080, 70944), (3360, 65032), (3520, 62076), (3695, 59136), (3696, 59120), (3840, 56903), (4224, 51730), (4434, 49280), (4480, 48774), (4620, 47296), (4928, 44340), (5173, 42240), (5280, 41384), (5376, 40645), (5912, 36960), (6160, 35472), (6720, 32516), (7040, 31038), (7390, 29568), (7392, 29560), (8129, 26880), (8448, 25865), (8868, 24640), (8960, 24387), (9240, 23648), (9856, 22170), (10346, 21120), (10560, 20692), (11085, 19712), (11824, 18480), (12320, 17736), (13440, 16258), (14080, 15519), (14780, 14784)]