81538488

素因数分解:

$2^3\times 3^4\times {\mathrm{29}}^1\times {\mathrm{4339}}^1$

素因数の和:4386

約数の個数: 80

約数和(自身を含む): 236313000

約数和(自身を除く): 154774512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 54, 58, 72, 81, 87, 108, 116, 162, 174, 216, 232, 261, 324, 348, 522, 648, 696, 783, 1044, 1566, 2088, 2349, 3132, 4339, 4698, 6264, 8678, 9396, 13017, 17356, 18792, 26034, 34712, 39051, 52068, 78102, 104136, 117153, 125831, 156204, 234306, 251662, 312408, 351459, 377493, 468612, 503324, 702918, 754986, 937224, 1006648, 1132479, 1405836, 1509972, 2264958, 2811672, 3019944, 3397437, 4529916, 6794874, 9059832, 10192311, 13589748, 20384622, 27179496, 40769244, 81538488]

約数ペア:

[(1, 81538488), (2, 40769244), (3, 27179496), (4, 20384622), (6, 13589748), (8, 10192311), (9, 9059832), (12, 6794874), (18, 4529916), (24, 3397437), (27, 3019944), (29, 2811672), (36, 2264958), (54, 1509972), (58, 1405836), (72, 1132479), (81, 1006648), (87, 937224), (108, 754986), (116, 702918), (162, 503324), (174, 468612), (216, 377493), (232, 351459), (261, 312408), (324, 251662), (348, 234306), (522, 156204), (648, 125831), (696, 117153), (783, 104136), (1044, 78102), (1566, 52068), (2088, 39051), (2349, 34712), (3132, 26034), (4339, 18792), (4698, 17356), (6264, 13017), (8678, 9396)]