213121776

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 240

約数和(自身を含む): 687575040

約数和(自身を除く): 474453264

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 37, 42, 48, 49, 56, 62, 74, 79, 84, 93, 98, 111, 112, 124, 147, 148, 158, 168, 186, 196, 217, 222, 237, 248, 259, 294, 296, 316, 336, 372, 392, 434, 444, 474, 496, 518, 553, 588, 592, 632, 651, 744, 777, 784, 868, 888, 948, 1036, 1106, 1147, 1176, 1264, 1302, 1488, 1519, 1554, 1659, 1736, 1776, 1813, 1896, 2072, 2212, 2294, 2352, 2449, 2604, 2923, 3038, 3108, 3318, 3441, 3472, 3626, 3792, 3871, 4144, 4424, 4557, 4588, 4898, 5208, 5439, 5846, 6076, 6216, 6636, 6882, 7252, 7347, 7742, 8029, 8769, 8848, 9114, 9176, 9796, 10416, 10878, 11613, 11692, 12152, 12432, 13272, 13764, 14504, 14694, 15484, 16058, 17143, 17538, 18228, 18352, 19592, 20461, 21756, 23226, 23384, 24087, 24304, 26544, 27528, 29008, 29388, 30968, 32116, 34286, 35076, 36456, 39184, 40922, 43512, 46452, 46768, 48174, 51429, 55056, 56203, 58776, 61383, 61936, 64232, 68572, 70152, 72912, 81844, 87024, 90613, 92904, 96348, 102858, 112406, 117552, 120001, 122766, 128464, 137144, 140304, 143227, 163688, 168609, 181226, 185808, 192696, 205716, 224812, 240002, 245532, 271839, 274288, 286454, 327376, 337218, 360003, 362452, 385392, 411432, 429681, 449624, 480004, 491064, 543678, 572908, 634291, 674436, 720006, 724904, 822864, 859362, 899248, 960008, 982128, 1087356, 1145816, 1268582, 1348872, 1440012, 1449808, 1718724, 1902873, 1920016, 2174712, 2291632, 2537164, 2697744, 2880024, 3437448, 3805746, 4349424, 4440037, 5074328, 5760048, 6874896, 7611492, 8880074, 10148656, 13320111, 15222984, 17760148, 26640222, 30445968, 35520296, 53280444, 71040592, 106560888, 213121776]

約数ペア:

[(1, 213121776), (2, 106560888), (3, 71040592), (4, 53280444), (6, 35520296), (7, 30445968), (8, 26640222), (12, 17760148), (14, 15222984), (16, 13320111), (21, 10148656), (24, 8880074), (28, 7611492), (31, 6874896), (37, 5760048), (42, 5074328), (48, 4440037), (49, 4349424), (56, 3805746), (62, 3437448), (74, 2880024), (79, 2697744), (84, 2537164), (93, 2291632), (98, 2174712), (111, 1920016), (112, 1902873), (124, 1718724), (147, 1449808), (148, 1440012), (158, 1348872), (168, 1268582), (186, 1145816), (196, 1087356), (217, 982128), (222, 960008), (237, 899248), (248, 859362), (259, 822864), (294, 724904), (296, 720006), (316, 674436), (336, 634291), (372, 572908), (392, 543678), (434, 491064), (444, 480004), (474, 449624), (496, 429681), (518, 411432), (553, 385392), (588, 362452), (592, 360003), (632, 337218), (651, 327376), (744, 286454), (777, 274288), (784, 271839), (868, 245532), (888, 240002), (948, 224812), (1036, 205716), (1106, 192696), (1147, 185808), (1176, 181226), (1264, 168609), (1302, 163688), (1488, 143227), (1519, 140304), (1554, 137144), (1659, 128464), (1736, 122766), (1776, 120001), (1813, 117552), (1896, 112406), (2072, 102858), (2212, 96348), (2294, 92904), (2352, 90613), (2449, 87024), (2604, 81844), (2923, 72912), (3038, 70152), (3108, 68572), (3318, 64232), (3441, 61936), (3472, 61383), (3626, 58776), (3792, 56203), (3871, 55056), (4144, 51429), (4424, 48174), (4557, 46768), (4588, 46452), (4898, 43512), (5208, 40922), (5439, 39184), (5846, 36456), (6076, 35076), (6216, 34286), (6636, 32116), (6882, 30968), (7252, 29388), (7347, 29008), (7742, 27528), (8029, 26544), (8769, 24304), (8848, 24087), (9114, 23384), (9176, 23226), (9796, 21756), (10416, 20461), (10878, 19592), (11613, 18352), (11692, 18228), (12152, 17538), (12432, 17143), (13272, 16058), (13764, 15484), (14504, 14694)]