81790896

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:335

約数の個数: 160

約数和(自身を含む): 251412480

約数和(自身を除く): 169621584

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 31, 33, 38, 44, 48, 57, 62, 66, 76, 88, 93, 114, 124, 132, 152, 176, 186, 209, 228, 248, 263, 264, 304, 341, 372, 418, 456, 496, 526, 528, 589, 627, 682, 744, 789, 836, 912, 1023, 1052, 1178, 1254, 1364, 1488, 1578, 1672, 1767, 2046, 2104, 2356, 2508, 2728, 2893, 3156, 3344, 3534, 4092, 4208, 4712, 4997, 5016, 5456, 5786, 6312, 6479, 7068, 8153, 8184, 8679, 9424, 9994, 10032, 11572, 12624, 12958, 14136, 14991, 16306, 16368, 17358, 19437, 19988, 23144, 24459, 25916, 28272, 29982, 32612, 34716, 38874, 39976, 46288, 48918, 51832, 54967, 59964, 65224, 69432, 77748, 79952, 89683, 97836, 103664, 109934, 119928, 130448, 138864, 154907, 155496, 164901, 179366, 195672, 219868, 239856, 269049, 309814, 310992, 329802, 358732, 391344, 439736, 464721, 538098, 619628, 659604, 717464, 879472, 929442, 1076196, 1239256, 1319208, 1434928, 1703977, 1858884, 2152392, 2478512, 2638416, 3407954, 3717768, 4304784, 5111931, 6815908, 7435536, 10223862, 13631816, 20447724, 27263632, 40895448, 81790896]

約数ペア:

[(1, 81790896), (2, 40895448), (3, 27263632), (4, 20447724), (6, 13631816), (8, 10223862), (11, 7435536), (12, 6815908), (16, 5111931), (19, 4304784), (22, 3717768), (24, 3407954), (31, 2638416), (33, 2478512), (38, 2152392), (44, 1858884), (48, 1703977), (57, 1434928), (62, 1319208), (66, 1239256), (76, 1076196), (88, 929442), (93, 879472), (114, 717464), (124, 659604), (132, 619628), (152, 538098), (176, 464721), (186, 439736), (209, 391344), (228, 358732), (248, 329802), (263, 310992), (264, 309814), (304, 269049), (341, 239856), (372, 219868), (418, 195672), (456, 179366), (496, 164901), (526, 155496), (528, 154907), (589, 138864), (627, 130448), (682, 119928), (744, 109934), (789, 103664), (836, 97836), (912, 89683), (1023, 79952), (1052, 77748), (1178, 69432), (1254, 65224), (1364, 59964), (1488, 54967), (1578, 51832), (1672, 48918), (1767, 46288), (2046, 39976), (2104, 38874), (2356, 34716), (2508, 32612), (2728, 29982), (2893, 28272), (3156, 25916), (3344, 24459), (3534, 23144), (4092, 19988), (4208, 19437), (4712, 17358), (4997, 16368), (5016, 16306), (5456, 14991), (5786, 14136), (6312, 12958), (6479, 12624), (7068, 11572), (8153, 10032), (8184, 9994), (8679, 9424)]