161997408

素因数分解:

$2^5\times 3^5\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:359

約数の個数: 144

約数和(自身を含む): 485424576

約数和(自身を除く): 323427168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 83, 96, 108, 144, 162, 166, 216, 243, 249, 251, 288, 324, 332, 432, 486, 498, 502, 648, 664, 747, 753, 864, 972, 996, 1004, 1296, 1328, 1494, 1506, 1944, 1992, 2008, 2241, 2259, 2592, 2656, 2988, 3012, 3888, 3984, 4016, 4482, 4518, 5976, 6024, 6723, 6777, 7776, 7968, 8032, 8964, 9036, 11952, 12048, 13446, 13554, 17928, 18072, 20169, 20331, 20833, 23904, 24096, 26892, 27108, 35856, 36144, 40338, 40662, 41666, 53784, 54216, 60993, 62499, 71712, 72288, 80676, 81324, 83332, 107568, 108432, 121986, 124998, 161352, 162648, 166664, 187497, 215136, 216864, 243972, 249996, 322704, 325296, 333328, 374994, 487944, 499992, 562491, 645408, 650592, 666656, 749988, 975888, 999984, 1124982, 1499976, 1687473, 1951776, 1999968, 2249964, 2999952, 3374946, 4499928, 5062419, 5999904, 6749892, 8999856, 10124838, 13499784, 17999712, 20249676, 26999568, 40499352, 53999136, 80998704, 161997408]

約数ペア:

[(1, 161997408), (2, 80998704), (3, 53999136), (4, 40499352), (6, 26999568), (8, 20249676), (9, 17999712), (12, 13499784), (16, 10124838), (18, 8999856), (24, 6749892), (27, 5999904), (32, 5062419), (36, 4499928), (48, 3374946), (54, 2999952), (72, 2249964), (81, 1999968), (83, 1951776), (96, 1687473), (108, 1499976), (144, 1124982), (162, 999984), (166, 975888), (216, 749988), (243, 666656), (249, 650592), (251, 645408), (288, 562491), (324, 499992), (332, 487944), (432, 374994), (486, 333328), (498, 325296), (502, 322704), (648, 249996), (664, 243972), (747, 216864), (753, 215136), (864, 187497), (972, 166664), (996, 162648), (1004, 161352), (1296, 124998), (1328, 121986), (1494, 108432), (1506, 107568), (1944, 83332), (1992, 81324), (2008, 80676), (2241, 72288), (2259, 71712), (2592, 62499), (2656, 60993), (2988, 54216), (3012, 53784), (3888, 41666), (3984, 40662), (4016, 40338), (4482, 36144), (4518, 35856), (5976, 27108), (6024, 26892), (6723, 24096), (6777, 23904), (7776, 20833), (7968, 20331), (8032, 20169), (8964, 18072), (9036, 17928), (11952, 13554), (12048, 13446)]