641319840

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:245

約数の個数: 432

約数和(自身を含む): 2604911400

約数和(自身を除く): 1963591560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 61, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 122, 126, 140, 144, 147, 149, 160, 168, 180, 183, 196, 210, 224, 240, 244, 245, 252, 280, 288, 294, 298, 305, 315, 336, 360, 366, 392, 420, 427, 441, 447, 480, 488, 490, 504, 549, 560, 588, 596, 610, 630, 672, 720, 732, 735, 745, 784, 840, 854, 882, 894, 915, 976, 980, 1008, 1043, 1098, 1120, 1176, 1192, 1220, 1260, 1281, 1341, 1440, 1464, 1470, 1490, 1568, 1680, 1708, 1764, 1788, 1830, 1952, 1960, 2016, 2086, 2135, 2196, 2205, 2235, 2352, 2384, 2440, 2520, 2562, 2682, 2745, 2928, 2940, 2980, 2989, 3129, 3360, 3416, 3528, 3576, 3660, 3843, 3920, 4172, 4270, 4392, 4410, 4470, 4704, 4768, 4880, 5040, 5124, 5215, 5364, 5490, 5856, 5880, 5960, 5978, 6258, 6405, 6705, 6832, 7056, 7152, 7301, 7320, 7686, 7840, 8344, 8540, 8784, 8820, 8940, 8967, 9089, 9387, 9760, 10080, 10248, 10430, 10728, 10980, 11760, 11920, 11956, 12516, 12810, 13410, 13664, 14112, 14304, 14602, 14640, 14945, 15372, 15645, 16688, 17080, 17568, 17640, 17880, 17934, 18178, 18774, 19215, 20496, 20860, 21456, 21903, 21960, 23520, 23840, 23912, 25032, 25620, 26820, 26901, 27267, 29204, 29280, 29890, 30744, 31290, 33376, 34160, 35280, 35760, 35868, 36356, 36505, 37548, 38430, 40992, 41720, 42912, 43806, 43920, 44835, 45445, 46935, 47824, 50064, 51240, 53640, 53802, 54534, 58408, 59780, 61488, 62580, 63623, 65709, 68320, 70560, 71520, 71736, 72712, 73010, 75096, 76860, 81801, 83440, 87612, 87840, 89670, 90890, 93870, 95648, 100128, 102480, 107280, 107604, 109068, 109515, 116816, 119560, 122976, 125160, 127246, 131418, 134505, 136335, 143472, 145424, 146020, 150192, 153720, 163602, 166880, 175224, 179340, 181780, 187740, 190869, 204960, 214560, 215208, 218136, 219030, 233632, 239120, 250320, 254492, 262836, 269010, 272670, 286944, 290848, 292040, 300384, 307440, 318115, 327204, 328545, 350448, 358680, 363560, 375480, 381738, 409005, 430416, 436272, 438060, 445361, 478240, 500640, 508984, 525672, 538020, 545340, 572607, 584080, 614880, 636230, 654408, 657090, 700896, 717360, 727120, 750960, 763476, 818010, 860832, 872544, 876120, 890722, 954345, 1017968, 1051344, 1076040, 1090680, 1145214, 1168160, 1272460, 1308816, 1314180, 1336083, 1434720, 1454240, 1501920, 1526952, 1636020, 1752240, 1781444, 1908690, 2035936, 2102688, 2152080, 2181360, 2226805, 2290428, 2544920, 2617632, 2628360, 2672166, 2863035, 3053904, 3272040, 3504480, 3562888, 3817380, 4008249, 4304160, 4362720, 4453610, 4580856, 5089840, 5256720, 5344332, 5726070, 6107808, 6544080, 6680415, 7125776, 7634760, 8016498, 8907220, 9161712, 10179680, 10513440, 10688664, 11452140, 13088160, 13360830, 14251552, 15269520, 16032996, 17814440, 18323424, 20041245, 21377328, 22904280, 26721660, 30539040, 32065992, 35628880, 40082490, 42754656, 45808560, 53443320, 64131984, 71257760, 80164980, 91617120, 106886640, 128263968, 160329960, 213773280, 320659920, 641319840]

約数ペア:

[(1, 641319840), (2, 320659920), (3, 213773280), (4, 160329960), (5, 128263968), (6, 106886640), (7, 91617120), (8, 80164980), (9, 71257760), (10, 64131984), (12, 53443320), (14, 45808560), (15, 42754656), (16, 40082490), (18, 35628880), (20, 32065992), (21, 30539040), (24, 26721660), (28, 22904280), (30, 21377328), (32, 20041245), (35, 18323424), (36, 17814440), (40, 16032996), (42, 15269520), (45, 14251552), (48, 13360830), (49, 13088160), (56, 11452140), (60, 10688664), (61, 10513440), (63, 10179680), (70, 9161712), (72, 8907220), (80, 8016498), (84, 7634760), (90, 7125776), (96, 6680415), (98, 6544080), (105, 6107808), (112, 5726070), (120, 5344332), (122, 5256720), (126, 5089840), (140, 4580856), (144, 4453610), (147, 4362720), (149, 4304160), (160, 4008249), (168, 3817380), (180, 3562888), (183, 3504480), (196, 3272040), (210, 3053904), (224, 2863035), (240, 2672166), (244, 2628360), (245, 2617632), (252, 2544920), (280, 2290428), (288, 2226805), (294, 2181360), (298, 2152080), (305, 2102688), (315, 2035936), (336, 1908690), (360, 1781444), (366, 1752240), (392, 1636020), (420, 1526952), (427, 1501920), (441, 1454240), (447, 1434720), (480, 1336083), (488, 1314180), (490, 1308816), (504, 1272460), (549, 1168160), (560, 1145214), (588, 1090680), (596, 1076040), (610, 1051344), (630, 1017968), (672, 954345), (720, 890722), (732, 876120), (735, 872544), (745, 860832), (784, 818010), (840, 763476), (854, 750960), (882, 727120), (894, 717360), (915, 700896), (976, 657090), (980, 654408), (1008, 636230), (1043, 614880), (1098, 584080), (1120, 572607), (1176, 545340), (1192, 538020), (1220, 525672), (1260, 508984), (1281, 500640), (1341, 478240), (1440, 445361), (1464, 438060), (1470, 436272), (1490, 430416), (1568, 409005), (1680, 381738), (1708, 375480), (1764, 363560), (1788, 358680), (1830, 350448), (1952, 328545), (1960, 327204), (2016, 318115), (2086, 307440), (2135, 300384), (2196, 292040), (2205, 290848), (2235, 286944), (2352, 272670), (2384, 269010), (2440, 262836), (2520, 254492), (2562, 250320), (2682, 239120), (2745, 233632), (2928, 219030), (2940, 218136), (2980, 215208), (2989, 214560), (3129, 204960), (3360, 190869), (3416, 187740), (3528, 181780), (3576, 179340), (3660, 175224), (3843, 166880), (3920, 163602), (4172, 153720), (4270, 150192), (4392, 146020), (4410, 145424), (4470, 143472), (4704, 136335), (4768, 134505), (4880, 131418), (5040, 127246), (5124, 125160), (5215, 122976), (5364, 119560), (5490, 116816), (5856, 109515), (5880, 109068), (5960, 107604), (5978, 107280), (6258, 102480), (6405, 100128), (6705, 95648), (6832, 93870), (7056, 90890), (7152, 89670), (7301, 87840), (7320, 87612), (7686, 83440), (7840, 81801), (8344, 76860), (8540, 75096), (8784, 73010), (8820, 72712), (8940, 71736), (8967, 71520), (9089, 70560), (9387, 68320), (9760, 65709), (10080, 63623), (10248, 62580), (10430, 61488), (10728, 59780), (10980, 58408), (11760, 54534), (11920, 53802), (11956, 53640), (12516, 51240), (12810, 50064), (13410, 47824), (13664, 46935), (14112, 45445), (14304, 44835), (14602, 43920), (14640, 43806), (14945, 42912), (15372, 41720), (15645, 40992), (16688, 38430), (17080, 37548), (17568, 36505), (17640, 36356), (17880, 35868), (17934, 35760), (18178, 35280), (18774, 34160), (19215, 33376), (20496, 31290), (20860, 30744), (21456, 29890), (21903, 29280), (21960, 29204), (23520, 27267), (23840, 26901), (23912, 26820), (25032, 25620)]