68113920

素因数分解:

$2^9\times 3^1\times 5^1\times 7^2\times {\mathrm{181}}^1$

素因数の和:221

約数の個数: 240

約数和(自身を含む): 254702448

約数和(自身を除く): 186588528

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, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 181, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 362, 384, 392, 420, 448, 480, 490, 512, 543, 560, 588, 640, 672, 724, 735, 768, 784, 840, 896, 905, 960, 980, 1086, 1120, 1176, 1267, 1280, 1344, 1448, 1470, 1536, 1568, 1680, 1792, 1810, 1920, 1960, 2172, 2240, 2352, 2534, 2560, 2688, 2715, 2896, 2940, 3136, 3360, 3584, 3620, 3801, 3840, 3920, 4344, 4480, 4704, 5068, 5376, 5430, 5792, 5880, 6272, 6335, 6720, 7240, 7602, 7680, 7840, 8688, 8869, 8960, 9408, 10136, 10752, 10860, 11584, 11760, 12544, 12670, 13440, 14480, 15204, 15680, 17376, 17738, 17920, 18816, 19005, 20272, 21720, 23168, 23520, 25088, 25340, 26607, 26880, 28960, 30408, 31360, 34752, 35476, 37632, 38010, 40544, 43440, 44345, 46336, 47040, 50680, 53214, 53760, 57920, 60816, 62720, 69504, 70952, 75264, 76020, 81088, 86880, 88690, 92672, 94080, 101360, 106428, 115840, 121632, 125440, 133035, 139008, 141904, 152040, 162176, 173760, 177380, 188160, 202720, 212856, 231680, 243264, 266070, 278016, 283808, 304080, 324352, 347520, 354760, 376320, 405440, 425712, 463360, 486528, 532140, 567616, 608160, 648704, 695040, 709520, 810880, 851424, 973056, 1064280, 1135232, 1216320, 1390080, 1419040, 1621760, 1702848, 1946112, 2128560, 2270464, 2432640, 2838080, 3243520, 3405696, 4257120, 4540928, 4865280, 5676160, 6811392, 8514240, 9730560, 11352320, 13622784, 17028480, 22704640, 34056960, 68113920]

約数ペア:

[(1, 68113920), (2, 34056960), (3, 22704640), (4, 17028480), (5, 13622784), (6, 11352320), (7, 9730560), (8, 8514240), (10, 6811392), (12, 5676160), (14, 4865280), (15, 4540928), (16, 4257120), (20, 3405696), (21, 3243520), (24, 2838080), (28, 2432640), (30, 2270464), (32, 2128560), (35, 1946112), (40, 1702848), (42, 1621760), (48, 1419040), (49, 1390080), (56, 1216320), (60, 1135232), (64, 1064280), (70, 973056), (80, 851424), (84, 810880), (96, 709520), (98, 695040), (105, 648704), (112, 608160), (120, 567616), (128, 532140), (140, 486528), (147, 463360), (160, 425712), (168, 405440), (181, 376320), (192, 354760), (196, 347520), (210, 324352), (224, 304080), (240, 283808), (245, 278016), (256, 266070), (280, 243264), (294, 231680), (320, 212856), (336, 202720), (362, 188160), (384, 177380), (392, 173760), (420, 162176), (448, 152040), (480, 141904), (490, 139008), (512, 133035), (543, 125440), (560, 121632), (588, 115840), (640, 106428), (672, 101360), (724, 94080), (735, 92672), (768, 88690), (784, 86880), (840, 81088), (896, 76020), (905, 75264), (960, 70952), (980, 69504), (1086, 62720), (1120, 60816), (1176, 57920), (1267, 53760), (1280, 53214), (1344, 50680), (1448, 47040), (1470, 46336), (1536, 44345), (1568, 43440), (1680, 40544), (1792, 38010), (1810, 37632), (1920, 35476), (1960, 34752), (2172, 31360), (2240, 30408), (2352, 28960), (2534, 26880), (2560, 26607), (2688, 25340), (2715, 25088), (2896, 23520), (2940, 23168), (3136, 21720), (3360, 20272), (3584, 19005), (3620, 18816), (3801, 17920), (3840, 17738), (3920, 17376), (4344, 15680), (4480, 15204), (4704, 14480), (5068, 13440), (5376, 12670), (5430, 12544), (5792, 11760), (5880, 11584), (6272, 10860), (6335, 10752), (6720, 10136), (7240, 9408), (7602, 8960), (7680, 8869), (7840, 8688)]