721131264

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{733}}^1$

素因数の和:823

約数の個数: 216

約数和(自身を含む): 2418477152

約数和(自身を除く): 1697345888

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 61, 63, 64, 72, 84, 96, 112, 122, 126, 128, 144, 168, 183, 192, 224, 244, 252, 256, 288, 336, 366, 384, 427, 448, 488, 504, 549, 576, 672, 732, 733, 768, 854, 896, 976, 1008, 1098, 1152, 1281, 1344, 1464, 1466, 1708, 1792, 1952, 2016, 2196, 2199, 2304, 2562, 2688, 2928, 2932, 3416, 3843, 3904, 4032, 4392, 4398, 5124, 5131, 5376, 5856, 5864, 6597, 6832, 7686, 7808, 8064, 8784, 8796, 10248, 10262, 11712, 11728, 13194, 13664, 15372, 15393, 15616, 16128, 17568, 17592, 20496, 20524, 23424, 23456, 26388, 27328, 30744, 30786, 35136, 35184, 40992, 41048, 44713, 46179, 46848, 46912, 52776, 54656, 61488, 61572, 70272, 70368, 81984, 82096, 89426, 92358, 93824, 105552, 109312, 122976, 123144, 134139, 140544, 140736, 163968, 164192, 178852, 184716, 187648, 211104, 245952, 246288, 268278, 281472, 312991, 327936, 328384, 357704, 369432, 402417, 422208, 491904, 492576, 536556, 562944, 625982, 656768, 715408, 738864, 804834, 844416, 938973, 983808, 985152, 1073112, 1251964, 1313536, 1430816, 1477728, 1609668, 1688832, 1877946, 1970304, 2146224, 2503928, 2816919, 2861632, 2955456, 3219336, 3755892, 3940608, 4292448, 5007856, 5633838, 5723264, 5910912, 6438672, 7511784, 8584896, 10015712, 11267676, 11446528, 11821824, 12877344, 15023568, 17169792, 20031424, 22535352, 25754688, 30047136, 34339584, 40062848, 45070704, 51509376, 60094272, 80125696, 90141408, 103018752, 120188544, 180282816, 240377088, 360565632, 721131264]

約数ペア:

[(1, 721131264), (2, 360565632), (3, 240377088), (4, 180282816), (6, 120188544), (7, 103018752), (8, 90141408), (9, 80125696), (12, 60094272), (14, 51509376), (16, 45070704), (18, 40062848), (21, 34339584), (24, 30047136), (28, 25754688), (32, 22535352), (36, 20031424), (42, 17169792), (48, 15023568), (56, 12877344), (61, 11821824), (63, 11446528), (64, 11267676), (72, 10015712), (84, 8584896), (96, 7511784), (112, 6438672), (122, 5910912), (126, 5723264), (128, 5633838), (144, 5007856), (168, 4292448), (183, 3940608), (192, 3755892), (224, 3219336), (244, 2955456), (252, 2861632), (256, 2816919), (288, 2503928), (336, 2146224), (366, 1970304), (384, 1877946), (427, 1688832), (448, 1609668), (488, 1477728), (504, 1430816), (549, 1313536), (576, 1251964), (672, 1073112), (732, 985152), (733, 983808), (768, 938973), (854, 844416), (896, 804834), (976, 738864), (1008, 715408), (1098, 656768), (1152, 625982), (1281, 562944), (1344, 536556), (1464, 492576), (1466, 491904), (1708, 422208), (1792, 402417), (1952, 369432), (2016, 357704), (2196, 328384), (2199, 327936), (2304, 312991), (2562, 281472), (2688, 268278), (2928, 246288), (2932, 245952), (3416, 211104), (3843, 187648), (3904, 184716), (4032, 178852), (4392, 164192), (4398, 163968), (5124, 140736), (5131, 140544), (5376, 134139), (5856, 123144), (5864, 122976), (6597, 109312), (6832, 105552), (7686, 93824), (7808, 92358), (8064, 89426), (8784, 82096), (8796, 81984), (10248, 70368), (10262, 70272), (11712, 61572), (11728, 61488), (13194, 54656), (13664, 52776), (15372, 46912), (15393, 46848), (15616, 46179), (16128, 44713), (17568, 41048), (17592, 40992), (20496, 35184), (20524, 35136), (23424, 30786), (23456, 30744), (26388, 27328)]