79988480

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:87

約数の個数: 288

約数和(自身を含む): 247242240

約数和(自身を除く): 167253760

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 23, 26, 32, 38, 40, 44, 46, 52, 55, 64, 65, 76, 80, 88, 92, 95, 104, 110, 115, 128, 130, 143, 152, 160, 176, 184, 190, 208, 209, 220, 230, 247, 253, 256, 260, 286, 299, 304, 320, 352, 368, 380, 416, 418, 437, 440, 460, 494, 506, 520, 572, 598, 608, 640, 704, 715, 736, 760, 832, 836, 874, 880, 920, 988, 1012, 1040, 1045, 1144, 1196, 1216, 1235, 1265, 1280, 1408, 1430, 1472, 1495, 1520, 1664, 1672, 1748, 1760, 1840, 1976, 2024, 2080, 2090, 2185, 2288, 2392, 2432, 2470, 2530, 2717, 2816, 2860, 2944, 2990, 3040, 3289, 3328, 3344, 3496, 3520, 3680, 3952, 4048, 4160, 4180, 4370, 4576, 4784, 4807, 4864, 4940, 5060, 5434, 5681, 5720, 5888, 5980, 6080, 6578, 6688, 6992, 7040, 7360, 7904, 8096, 8320, 8360, 8740, 9152, 9568, 9614, 9880, 10120, 10868, 11362, 11440, 11960, 12160, 13156, 13376, 13585, 13984, 14080, 14720, 15808, 16192, 16445, 16640, 16720, 17480, 18304, 19136, 19228, 19760, 20240, 21736, 22724, 22880, 23920, 24035, 24320, 26312, 26752, 27170, 27968, 28405, 29440, 31616, 32384, 32890, 33440, 34960, 36608, 38272, 38456, 39520, 40480, 43472, 45448, 45760, 47840, 48070, 52624, 53504, 54340, 55936, 56810, 62491, 63232, 64768, 65780, 66880, 69920, 76544, 76912, 79040, 80960, 86944, 90896, 91520, 95680, 96140, 105248, 108680, 111872, 113620, 124982, 131560, 133760, 139840, 153824, 158080, 161920, 173888, 181792, 183040, 191360, 192280, 210496, 217360, 227240, 249964, 263120, 267520, 279680, 307648, 312455, 316160, 323840, 347776, 363584, 382720, 384560, 420992, 434720, 454480, 499928, 526240, 559360, 615296, 624910, 695552, 727168, 769120, 841984, 869440, 908960, 999856, 1052480, 1230592, 1249820, 1454336, 1538240, 1738880, 1817920, 1999712, 2104960, 2499640, 3076480, 3477760, 3635840, 3999424, 4209920, 4999280, 6152960, 7271680, 7998848, 9998560, 15997696, 19997120, 39994240, 79988480]

約数ペア:

[(1, 79988480), (2, 39994240), (4, 19997120), (5, 15997696), (8, 9998560), (10, 7998848), (11, 7271680), (13, 6152960), (16, 4999280), (19, 4209920), (20, 3999424), (22, 3635840), (23, 3477760), (26, 3076480), (32, 2499640), (38, 2104960), (40, 1999712), (44, 1817920), (46, 1738880), (52, 1538240), (55, 1454336), (64, 1249820), (65, 1230592), (76, 1052480), (80, 999856), (88, 908960), (92, 869440), (95, 841984), (104, 769120), (110, 727168), (115, 695552), (128, 624910), (130, 615296), (143, 559360), (152, 526240), (160, 499928), (176, 454480), (184, 434720), (190, 420992), (208, 384560), (209, 382720), (220, 363584), (230, 347776), (247, 323840), (253, 316160), (256, 312455), (260, 307648), (286, 279680), (299, 267520), (304, 263120), (320, 249964), (352, 227240), (368, 217360), (380, 210496), (416, 192280), (418, 191360), (437, 183040), (440, 181792), (460, 173888), (494, 161920), (506, 158080), (520, 153824), (572, 139840), (598, 133760), (608, 131560), (640, 124982), (704, 113620), (715, 111872), (736, 108680), (760, 105248), (832, 96140), (836, 95680), (874, 91520), (880, 90896), (920, 86944), (988, 80960), (1012, 79040), (1040, 76912), (1045, 76544), (1144, 69920), (1196, 66880), (1216, 65780), (1235, 64768), (1265, 63232), (1280, 62491), (1408, 56810), (1430, 55936), (1472, 54340), (1495, 53504), (1520, 52624), (1664, 48070), (1672, 47840), (1748, 45760), (1760, 45448), (1840, 43472), (1976, 40480), (2024, 39520), (2080, 38456), (2090, 38272), (2185, 36608), (2288, 34960), (2392, 33440), (2432, 32890), (2470, 32384), (2530, 31616), (2717, 29440), (2816, 28405), (2860, 27968), (2944, 27170), (2990, 26752), (3040, 26312), (3289, 24320), (3328, 24035), (3344, 23920), (3496, 22880), (3520, 22724), (3680, 21736), (3952, 20240), (4048, 19760), (4160, 19228), (4180, 19136), (4370, 18304), (4576, 17480), (4784, 16720), (4807, 16640), (4864, 16445), (4940, 16192), (5060, 15808), (5434, 14720), (5681, 14080), (5720, 13984), (5888, 13585), (5980, 13376), (6080, 13156), (6578, 12160), (6688, 11960), (6992, 11440), (7040, 11362), (7360, 10868), (7904, 10120), (8096, 9880), (8320, 9614), (8360, 9568), (8740, 9152)]