1720456848

素因数分解:

$2^4\times 3^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:308

約数の個数: 400

約数和(自身を含む): 5963189760

約数和(自身を除く): 4242732912

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 17, 18, 22, 24, 27, 31, 33, 34, 36, 44, 48, 51, 54, 62, 66, 68, 72, 81, 88, 93, 99, 102, 108, 124, 132, 136, 144, 153, 162, 176, 186, 187, 198, 204, 216, 229, 248, 264, 272, 279, 297, 306, 324, 341, 372, 374, 396, 408, 432, 458, 459, 496, 527, 528, 558, 561, 594, 612, 648, 682, 687, 744, 748, 792, 816, 837, 891, 916, 918, 1023, 1054, 1116, 1122, 1188, 1224, 1296, 1364, 1374, 1377, 1488, 1496, 1581, 1584, 1674, 1683, 1782, 1832, 1836, 2046, 2061, 2108, 2232, 2244, 2376, 2448, 2511, 2519, 2728, 2748, 2754, 2992, 3069, 3162, 3348, 3366, 3564, 3664, 3672, 3893, 4092, 4122, 4216, 4464, 4488, 4743, 4752, 5022, 5038, 5049, 5456, 5496, 5508, 5797, 6138, 6183, 6324, 6696, 6732, 7099, 7128, 7344, 7557, 7786, 8184, 8244, 8432, 8976, 9207, 9486, 10044, 10076, 10098, 10992, 11016, 11594, 11679, 12276, 12366, 12648, 13392, 13464, 14198, 14229, 14256, 15114, 15147, 15572, 16368, 16488, 17391, 18414, 18549, 18972, 20088, 20152, 20196, 21297, 22032, 22671, 23188, 23358, 24552, 24732, 25296, 26928, 27621, 28396, 28458, 30228, 30294, 31144, 32976, 34782, 35037, 36828, 37098, 37944, 40176, 40304, 40392, 42594, 42687, 42823, 45342, 46376, 46716, 49104, 49464, 52173, 55242, 56792, 56916, 60456, 60588, 62288, 63891, 68013, 69564, 70074, 73656, 74196, 75888, 78089, 80784, 85188, 85374, 85646, 90684, 92752, 93432, 98928, 104346, 105111, 110484, 113584, 113832, 120683, 120912, 121176, 127782, 128469, 136026, 139128, 140148, 147312, 148392, 156178, 156519, 170376, 170748, 171292, 181368, 186864, 191673, 204039, 208692, 210222, 220968, 227664, 234267, 241366, 242352, 255564, 256938, 272052, 278256, 280296, 296784, 312356, 313038, 315333, 340752, 341496, 342584, 362049, 362736, 383346, 385407, 408078, 417384, 420444, 441936, 468534, 469557, 482732, 511128, 513876, 544104, 560592, 575019, 624712, 626076, 630666, 682992, 685168, 702801, 724098, 766692, 770814, 816156, 834768, 840888, 937068, 939114, 965464, 1022256, 1027752, 1086147, 1088208, 1150038, 1156221, 1249424, 1252152, 1261332, 1327513, 1405602, 1448196, 1533384, 1541628, 1632312, 1681776, 1874136, 1878228, 1930928, 2055504, 2108403, 2172294, 2300076, 2312442, 2504304, 2522664, 2655026, 2811204, 2896392, 3066768, 3083256, 3258441, 3264624, 3468663, 3748272, 3756456, 3982539, 4216806, 4344588, 4600152, 4624884, 5045328, 5310052, 5622408, 5792784, 6166512, 6325209, 6516882, 6937326, 7512912, 7965078, 8433612, 8689176, 9200304, 9249768, 9775323, 10620104, 11244816, 11947617, 12650418, 13033764, 13874652, 15930156, 16867224, 17378352, 18499536, 19550646, 21240208, 23895234, 25300836, 26067528, 27749304, 31860312, 33734448, 35842851, 39101292, 47790468, 50601672, 52135056, 55498608, 63720624, 71685702, 78202584, 95580936, 101203344, 107528553, 143371404, 156405168, 191161872, 215057106, 286742808, 430114212, 573485616, 860228424, 1720456848]

約数ペア:

[(1, 1720456848), (2, 860228424), (3, 573485616), (4, 430114212), (6, 286742808), (8, 215057106), (9, 191161872), (11, 156405168), (12, 143371404), (16, 107528553), (17, 101203344), (18, 95580936), (22, 78202584), (24, 71685702), (27, 63720624), (31, 55498608), (33, 52135056), (34, 50601672), (36, 47790468), (44, 39101292), (48, 35842851), (51, 33734448), (54, 31860312), (62, 27749304), (66, 26067528), (68, 25300836), (72, 23895234), (81, 21240208), (88, 19550646), (93, 18499536), (99, 17378352), (102, 16867224), (108, 15930156), (124, 13874652), (132, 13033764), (136, 12650418), (144, 11947617), (153, 11244816), (162, 10620104), (176, 9775323), (186, 9249768), (187, 9200304), (198, 8689176), (204, 8433612), (216, 7965078), (229, 7512912), (248, 6937326), (264, 6516882), (272, 6325209), (279, 6166512), (297, 5792784), (306, 5622408), (324, 5310052), (341, 5045328), (372, 4624884), (374, 4600152), (396, 4344588), (408, 4216806), (432, 3982539), (458, 3756456), (459, 3748272), (496, 3468663), (527, 3264624), (528, 3258441), (558, 3083256), (561, 3066768), (594, 2896392), (612, 2811204), (648, 2655026), (682, 2522664), (687, 2504304), (744, 2312442), (748, 2300076), (792, 2172294), (816, 2108403), (837, 2055504), (891, 1930928), (916, 1878228), (918, 1874136), (1023, 1681776), (1054, 1632312), (1116, 1541628), (1122, 1533384), (1188, 1448196), (1224, 1405602), (1296, 1327513), (1364, 1261332), (1374, 1252152), (1377, 1249424), (1488, 1156221), (1496, 1150038), (1581, 1088208), (1584, 1086147), (1674, 1027752), (1683, 1022256), (1782, 965464), (1832, 939114), (1836, 937068), (2046, 840888), (2061, 834768), (2108, 816156), (2232, 770814), (2244, 766692), (2376, 724098), (2448, 702801), (2511, 685168), (2519, 682992), (2728, 630666), (2748, 626076), (2754, 624712), (2992, 575019), (3069, 560592), (3162, 544104), (3348, 513876), (3366, 511128), (3564, 482732), (3664, 469557), (3672, 468534), (3893, 441936), (4092, 420444), (4122, 417384), (4216, 408078), (4464, 385407), (4488, 383346), (4743, 362736), (4752, 362049), (5022, 342584), (5038, 341496), (5049, 340752), (5456, 315333), (5496, 313038), (5508, 312356), (5797, 296784), (6138, 280296), (6183, 278256), (6324, 272052), (6696, 256938), (6732, 255564), (7099, 242352), (7128, 241366), (7344, 234267), (7557, 227664), (7786, 220968), (8184, 210222), (8244, 208692), (8432, 204039), (8976, 191673), (9207, 186864), (9486, 181368), (10044, 171292), (10076, 170748), (10098, 170376), (10992, 156519), (11016, 156178), (11594, 148392), (11679, 147312), (12276, 140148), (12366, 139128), (12648, 136026), (13392, 128469), (13464, 127782), (14198, 121176), (14229, 120912), (14256, 120683), (15114, 113832), (15147, 113584), (15572, 110484), (16368, 105111), (16488, 104346), (17391, 98928), (18414, 93432), (18549, 92752), (18972, 90684), (20088, 85646), (20152, 85374), (20196, 85188), (21297, 80784), (22032, 78089), (22671, 75888), (23188, 74196), (23358, 73656), (24552, 70074), (24732, 69564), (25296, 68013), (26928, 63891), (27621, 62288), (28396, 60588), (28458, 60456), (30228, 56916), (30294, 56792), (31144, 55242), (32976, 52173), (34782, 49464), (35037, 49104), (36828, 46716), (37098, 46376), (37944, 45342), (40176, 42823), (40304, 42687), (40392, 42594)]