81027408

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1993}}^1$

素因数の和:2033

約数の個数: 120

約数和(自身を含む): 263080384

約数和(自身を除く): 182052976

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 56, 66, 77, 84, 88, 112, 121, 132, 154, 168, 176, 231, 242, 264, 308, 336, 363, 462, 484, 528, 616, 726, 847, 924, 968, 1232, 1452, 1694, 1848, 1936, 1993, 2541, 2904, 3388, 3696, 3986, 5082, 5808, 5979, 6776, 7972, 10164, 11958, 13552, 13951, 15944, 20328, 21923, 23916, 27902, 31888, 40656, 41853, 43846, 47832, 55804, 65769, 83706, 87692, 95664, 111608, 131538, 153461, 167412, 175384, 223216, 241153, 263076, 306922, 334824, 350768, 460383, 482306, 526152, 613844, 669648, 723459, 920766, 964612, 1052304, 1227688, 1446918, 1688071, 1841532, 1929224, 2455376, 2893836, 3376142, 3683064, 3858448, 5064213, 5787672, 6752284, 7366128, 10128426, 11575344, 13504568, 20256852, 27009136, 40513704, 81027408]

約数ペア:

[(1, 81027408), (2, 40513704), (3, 27009136), (4, 20256852), (6, 13504568), (7, 11575344), (8, 10128426), (11, 7366128), (12, 6752284), (14, 5787672), (16, 5064213), (21, 3858448), (22, 3683064), (24, 3376142), (28, 2893836), (33, 2455376), (42, 1929224), (44, 1841532), (48, 1688071), (56, 1446918), (66, 1227688), (77, 1052304), (84, 964612), (88, 920766), (112, 723459), (121, 669648), (132, 613844), (154, 526152), (168, 482306), (176, 460383), (231, 350768), (242, 334824), (264, 306922), (308, 263076), (336, 241153), (363, 223216), (462, 175384), (484, 167412), (528, 153461), (616, 131538), (726, 111608), (847, 95664), (924, 87692), (968, 83706), (1232, 65769), (1452, 55804), (1694, 47832), (1848, 43846), (1936, 41853), (1993, 40656), (2541, 31888), (2904, 27902), (3388, 23916), (3696, 21923), (3986, 20328), (5082, 15944), (5808, 13951), (5979, 13552), (6776, 11958), (7972, 10164)]