420339920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:254

約数の個数: 320

約数和(自身を含む): 1364912640

約数和(自身を除く): 944572720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 29, 35, 40, 44, 52, 55, 56, 58, 65, 70, 77, 80, 88, 91, 104, 110, 112, 116, 130, 140, 143, 145, 154, 176, 181, 182, 203, 208, 220, 232, 260, 280, 286, 290, 308, 319, 362, 364, 377, 385, 406, 440, 455, 464, 520, 560, 572, 580, 616, 638, 715, 724, 728, 754, 770, 812, 880, 905, 910, 1001, 1015, 1040, 1144, 1160, 1232, 1267, 1276, 1430, 1448, 1456, 1508, 1540, 1595, 1624, 1810, 1820, 1885, 1991, 2002, 2030, 2233, 2288, 2320, 2353, 2534, 2552, 2639, 2860, 2896, 3016, 3080, 3190, 3248, 3620, 3640, 3770, 3982, 4004, 4060, 4147, 4466, 4706, 5005, 5068, 5104, 5249, 5278, 5720, 6032, 6160, 6335, 6380, 7240, 7280, 7540, 7964, 8008, 8120, 8294, 8932, 9412, 9955, 10010, 10136, 10498, 10556, 11165, 11440, 11765, 12670, 12760, 13195, 13937, 14480, 15080, 15928, 16016, 16240, 16471, 16588, 17864, 18824, 19910, 20020, 20272, 20735, 20996, 21112, 22330, 23530, 25340, 25520, 25883, 26245, 26390, 27874, 29029, 30160, 31856, 32942, 33176, 35728, 36743, 37648, 39820, 40040, 41470, 41992, 42224, 44660, 47060, 50680, 51766, 52490, 52780, 55748, 57739, 58058, 65884, 66352, 68237, 69685, 73486, 79640, 80080, 82355, 82940, 83984, 89320, 94120, 101360, 103532, 104980, 105560, 111496, 115478, 116116, 129415, 131768, 136474, 139370, 145145, 146972, 159280, 164710, 165880, 178640, 181181, 183715, 188240, 207064, 209960, 211120, 222992, 230956, 232232, 258830, 263536, 272948, 278740, 288695, 290290, 293944, 329420, 331760, 341185, 362362, 367430, 404173, 414128, 419920, 461912, 464464, 477659, 517660, 545896, 557480, 577390, 580580, 587888, 658840, 682370, 724724, 734860, 750607, 808346, 905905, 923824, 955318, 1035320, 1091792, 1114960, 1154780, 1161160, 1317680, 1364740, 1449448, 1469720, 1501214, 1616692, 1811810, 1910636, 2020865, 2070640, 2309560, 2322320, 2388295, 2729480, 2898896, 2939440, 3002428, 3233384, 3623620, 3753035, 3821272, 4041730, 4619120, 4776590, 5254249, 5458960, 6004856, 6466768, 7247240, 7506070, 7642544, 8083460, 9553180, 10508498, 12009712, 14494480, 15012140, 16166920, 19106360, 21016996, 26271245, 30024280, 32333840, 38212720, 42033992, 52542490, 60048560, 84067984, 105084980, 210169960, 420339920]

約数ペア:

[(1, 420339920), (2, 210169960), (4, 105084980), (5, 84067984), (7, 60048560), (8, 52542490), (10, 42033992), (11, 38212720), (13, 32333840), (14, 30024280), (16, 26271245), (20, 21016996), (22, 19106360), (26, 16166920), (28, 15012140), (29, 14494480), (35, 12009712), (40, 10508498), (44, 9553180), (52, 8083460), (55, 7642544), (56, 7506070), (58, 7247240), (65, 6466768), (70, 6004856), (77, 5458960), (80, 5254249), (88, 4776590), (91, 4619120), (104, 4041730), (110, 3821272), (112, 3753035), (116, 3623620), (130, 3233384), (140, 3002428), (143, 2939440), (145, 2898896), (154, 2729480), (176, 2388295), (181, 2322320), (182, 2309560), (203, 2070640), (208, 2020865), (220, 1910636), (232, 1811810), (260, 1616692), (280, 1501214), (286, 1469720), (290, 1449448), (308, 1364740), (319, 1317680), (362, 1161160), (364, 1154780), (377, 1114960), (385, 1091792), (406, 1035320), (440, 955318), (455, 923824), (464, 905905), (520, 808346), (560, 750607), (572, 734860), (580, 724724), (616, 682370), (638, 658840), (715, 587888), (724, 580580), (728, 577390), (754, 557480), (770, 545896), (812, 517660), (880, 477659), (905, 464464), (910, 461912), (1001, 419920), (1015, 414128), (1040, 404173), (1144, 367430), (1160, 362362), (1232, 341185), (1267, 331760), (1276, 329420), (1430, 293944), (1448, 290290), (1456, 288695), (1508, 278740), (1540, 272948), (1595, 263536), (1624, 258830), (1810, 232232), (1820, 230956), (1885, 222992), (1991, 211120), (2002, 209960), (2030, 207064), (2233, 188240), (2288, 183715), (2320, 181181), (2353, 178640), (2534, 165880), (2552, 164710), (2639, 159280), (2860, 146972), (2896, 145145), (3016, 139370), (3080, 136474), (3190, 131768), (3248, 129415), (3620, 116116), (3640, 115478), (3770, 111496), (3982, 105560), (4004, 104980), (4060, 103532), (4147, 101360), (4466, 94120), (4706, 89320), (5005, 83984), (5068, 82940), (5104, 82355), (5249, 80080), (5278, 79640), (5720, 73486), (6032, 69685), (6160, 68237), (6335, 66352), (6380, 65884), (7240, 58058), (7280, 57739), (7540, 55748), (7964, 52780), (8008, 52490), (8120, 51766), (8294, 50680), (8932, 47060), (9412, 44660), (9955, 42224), (10010, 41992), (10136, 41470), (10498, 40040), (10556, 39820), (11165, 37648), (11440, 36743), (11765, 35728), (12670, 33176), (12760, 32942), (13195, 31856), (13937, 30160), (14480, 29029), (15080, 27874), (15928, 26390), (16016, 26245), (16240, 25883), (16471, 25520), (16588, 25340), (17864, 23530), (18824, 22330), (19910, 21112), (20020, 20996), (20272, 20735)]