639179520

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:160

約数の個数: 432

約数和(自身を含む): 2460648960

約数和(自身を除く): 1821469440

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, 43, 48, 49, 56, 60, 64, 70, 79, 80, 84, 86, 96, 98, 105, 112, 120, 128, 129, 140, 147, 158, 160, 168, 172, 192, 196, 210, 215, 224, 237, 240, 245, 256, 258, 280, 294, 301, 316, 320, 336, 344, 384, 392, 395, 420, 430, 448, 474, 480, 490, 516, 553, 560, 588, 602, 632, 640, 645, 672, 688, 735, 768, 784, 790, 840, 860, 896, 903, 948, 960, 980, 1032, 1106, 1120, 1176, 1185, 1204, 1264, 1280, 1290, 1344, 1376, 1470, 1505, 1568, 1580, 1659, 1680, 1720, 1792, 1806, 1896, 1920, 1960, 2064, 2107, 2212, 2240, 2352, 2370, 2408, 2528, 2580, 2688, 2752, 2765, 2940, 3010, 3136, 3160, 3318, 3360, 3397, 3440, 3612, 3792, 3840, 3871, 3920, 4128, 4214, 4424, 4480, 4515, 4704, 4740, 4816, 5056, 5160, 5376, 5504, 5530, 5880, 6020, 6272, 6320, 6321, 6636, 6720, 6794, 6880, 7224, 7584, 7742, 7840, 8256, 8295, 8428, 8848, 8960, 9030, 9408, 9480, 9632, 10112, 10191, 10320, 10535, 11008, 11060, 11613, 11760, 12040, 12544, 12640, 12642, 13272, 13440, 13588, 13760, 14448, 15168, 15484, 15680, 16512, 16590, 16856, 16985, 17696, 18060, 18816, 18960, 19264, 19355, 20224, 20382, 20640, 21070, 22120, 23226, 23520, 23779, 24080, 25280, 25284, 26544, 26880, 27176, 27520, 28896, 30336, 30968, 31360, 31605, 33024, 33180, 33712, 33970, 35392, 36120, 37632, 37920, 38528, 38710, 40764, 41280, 42140, 44240, 46452, 47040, 47558, 48160, 50560, 50568, 50955, 53088, 54352, 55040, 57792, 58065, 60672, 61936, 62720, 63210, 66360, 67424, 67940, 70784, 71337, 72240, 75840, 77056, 77420, 81528, 82560, 84280, 88480, 92904, 94080, 95116, 96320, 101120, 101136, 101910, 106176, 108704, 115584, 116130, 118895, 123872, 126420, 132720, 134848, 135880, 141568, 142674, 144480, 151680, 154840, 163056, 165120, 166453, 168560, 176960, 185808, 188160, 190232, 192640, 202272, 203820, 212352, 217408, 231168, 232260, 237790, 247744, 252840, 265440, 269696, 271760, 285348, 288960, 303360, 309680, 326112, 332906, 337120, 353920, 356685, 371616, 380464, 385280, 404544, 407640, 424704, 434816, 464520, 475580, 495488, 499359, 505680, 530880, 539392, 543520, 570696, 577920, 619360, 652224, 665812, 674240, 707840, 713370, 743232, 760928, 809088, 815280, 832265, 869632, 929040, 951160, 990976, 998718, 1011360, 1061760, 1087040, 1141392, 1155840, 1238720, 1304448, 1331624, 1348480, 1426740, 1486464, 1521856, 1618176, 1630560, 1664530, 1858080, 1902320, 1997436, 2022720, 2123520, 2174080, 2282784, 2477440, 2496795, 2608896, 2663248, 2696960, 2853480, 2972928, 3043712, 3261120, 3329060, 3716160, 3804640, 3994872, 4045440, 4348160, 4565568, 4954880, 4993590, 5326496, 5706960, 6087424, 6522240, 6658120, 7432320, 7609280, 7989744, 8090880, 9131136, 9987180, 10652992, 11413920, 13044480, 13316240, 14864640, 15218560, 15979488, 18262272, 19974360, 21305984, 22827840, 26632480, 30437120, 31958976, 39948720, 42611968, 45655680, 53264960, 63917952, 79897440, 91311360, 106529920, 127835904, 159794880, 213059840, 319589760, 639179520]

約数ペア:

[(1, 639179520), (2, 319589760), (3, 213059840), (4, 159794880), (5, 127835904), (6, 106529920), (7, 91311360), (8, 79897440), (10, 63917952), (12, 53264960), (14, 45655680), (15, 42611968), (16, 39948720), (20, 31958976), (21, 30437120), (24, 26632480), (28, 22827840), (30, 21305984), (32, 19974360), (35, 18262272), (40, 15979488), (42, 15218560), (43, 14864640), (48, 13316240), (49, 13044480), (56, 11413920), (60, 10652992), (64, 9987180), (70, 9131136), (79, 8090880), (80, 7989744), (84, 7609280), (86, 7432320), (96, 6658120), (98, 6522240), (105, 6087424), (112, 5706960), (120, 5326496), (128, 4993590), (129, 4954880), (140, 4565568), (147, 4348160), (158, 4045440), (160, 3994872), (168, 3804640), (172, 3716160), (192, 3329060), (196, 3261120), (210, 3043712), (215, 2972928), (224, 2853480), (237, 2696960), (240, 2663248), (245, 2608896), (256, 2496795), (258, 2477440), (280, 2282784), (294, 2174080), (301, 2123520), (316, 2022720), (320, 1997436), (336, 1902320), (344, 1858080), (384, 1664530), (392, 1630560), (395, 1618176), (420, 1521856), (430, 1486464), (448, 1426740), (474, 1348480), (480, 1331624), (490, 1304448), (516, 1238720), (553, 1155840), (560, 1141392), (588, 1087040), (602, 1061760), (632, 1011360), (640, 998718), (645, 990976), (672, 951160), (688, 929040), (735, 869632), (768, 832265), (784, 815280), (790, 809088), (840, 760928), (860, 743232), (896, 713370), (903, 707840), (948, 674240), (960, 665812), (980, 652224), (1032, 619360), (1106, 577920), (1120, 570696), (1176, 543520), (1185, 539392), (1204, 530880), (1264, 505680), (1280, 499359), (1290, 495488), (1344, 475580), (1376, 464520), (1470, 434816), (1505, 424704), (1568, 407640), (1580, 404544), (1659, 385280), (1680, 380464), (1720, 371616), (1792, 356685), (1806, 353920), (1896, 337120), (1920, 332906), (1960, 326112), (2064, 309680), (2107, 303360), (2212, 288960), (2240, 285348), (2352, 271760), (2370, 269696), (2408, 265440), (2528, 252840), (2580, 247744), (2688, 237790), (2752, 232260), (2765, 231168), (2940, 217408), (3010, 212352), (3136, 203820), (3160, 202272), (3318, 192640), (3360, 190232), (3397, 188160), (3440, 185808), (3612, 176960), (3792, 168560), (3840, 166453), (3871, 165120), (3920, 163056), (4128, 154840), (4214, 151680), (4424, 144480), (4480, 142674), (4515, 141568), (4704, 135880), (4740, 134848), (4816, 132720), (5056, 126420), (5160, 123872), (5376, 118895), (5504, 116130), (5530, 115584), (5880, 108704), (6020, 106176), (6272, 101910), (6320, 101136), (6321, 101120), (6636, 96320), (6720, 95116), (6794, 94080), (6880, 92904), (7224, 88480), (7584, 84280), (7742, 82560), (7840, 81528), (8256, 77420), (8295, 77056), (8428, 75840), (8848, 72240), (8960, 71337), (9030, 70784), (9408, 67940), (9480, 67424), (9632, 66360), (10112, 63210), (10191, 62720), (10320, 61936), (10535, 60672), (11008, 58065), (11060, 57792), (11613, 55040), (11760, 54352), (12040, 53088), (12544, 50955), (12640, 50568), (12642, 50560), (13272, 48160), (13440, 47558), (13588, 47040), (13760, 46452), (14448, 44240), (15168, 42140), (15484, 41280), (15680, 40764), (16512, 38710), (16590, 38528), (16856, 37920), (16985, 37632), (17696, 36120), (18060, 35392), (18816, 33970), (18960, 33712), (19264, 33180), (19355, 33024), (20224, 31605), (20382, 31360), (20640, 30968), (21070, 30336), (22120, 28896), (23226, 27520), (23520, 27176), (23779, 26880), (24080, 26544), (25280, 25284)]