78421728

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^2$

素因数の和:237

約数の個数: 144

約数和(自身を含む): 259168896

約数和(自身を除く): 180747168

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 66, 77, 84, 88, 96, 103, 112, 132, 154, 168, 176, 206, 224, 231, 264, 308, 309, 336, 352, 412, 462, 528, 616, 618, 672, 721, 824, 924, 1056, 1133, 1232, 1236, 1442, 1648, 1848, 2163, 2266, 2464, 2472, 2884, 3296, 3399, 3696, 4326, 4532, 4944, 5768, 6798, 7392, 7931, 8652, 9064, 9888, 10609, 11536, 13596, 15862, 17304, 18128, 21218, 23072, 23793, 27192, 31724, 31827, 34608, 36256, 42436, 47586, 54384, 63448, 63654, 69216, 74263, 84872, 95172, 108768, 116699, 126896, 127308, 148526, 169744, 190344, 222789, 233398, 253792, 254616, 297052, 339488, 350097, 380688, 445578, 466796, 509232, 594104, 700194, 761376, 816893, 891156, 933592, 1018464, 1188208, 1400388, 1633786, 1782312, 1867184, 2376416, 2450679, 2800776, 3267572, 3564624, 3734368, 4901358, 5601552, 6535144, 7129248, 9802716, 11203104, 13070288, 19605432, 26140576, 39210864, 78421728]

約数ペア:

[(1, 78421728), (2, 39210864), (3, 26140576), (4, 19605432), (6, 13070288), (7, 11203104), (8, 9802716), (11, 7129248), (12, 6535144), (14, 5601552), (16, 4901358), (21, 3734368), (22, 3564624), (24, 3267572), (28, 2800776), (32, 2450679), (33, 2376416), (42, 1867184), (44, 1782312), (48, 1633786), (56, 1400388), (66, 1188208), (77, 1018464), (84, 933592), (88, 891156), (96, 816893), (103, 761376), (112, 700194), (132, 594104), (154, 509232), (168, 466796), (176, 445578), (206, 380688), (224, 350097), (231, 339488), (264, 297052), (308, 254616), (309, 253792), (336, 233398), (352, 222789), (412, 190344), (462, 169744), (528, 148526), (616, 127308), (618, 126896), (672, 116699), (721, 108768), (824, 95172), (924, 84872), (1056, 74263), (1133, 69216), (1232, 63654), (1236, 63448), (1442, 54384), (1648, 47586), (1848, 42436), (2163, 36256), (2266, 34608), (2464, 31827), (2472, 31724), (2884, 27192), (3296, 23793), (3399, 23072), (3696, 21218), (4326, 18128), (4532, 17304), (4944, 15862), (5768, 13596), (6798, 11536), (7392, 10609), (7931, 9888), (8652, 9064)]