81212136.000000000

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4339}}^1$

素因数の和:4399

約数の個数: 96

約数和(自身を含む): 487468800

約数和(自身を除く): 322829784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 31, 34, 36, 51, 62, 68, 72, 93, 102, 124, 136, 153, 186, 204, 248, 279, 306, 372, 408, 527, 558, 612, 744, 1054, 1116, 1224, 1581, 2108, 2232, 3162, 4216, 4339, 4743, 6324, 8678, 9486, 12648, 13017, 17356, 18972, 26034, 34712, 37944, 39051, 52068, 73763, 78102, 104136, 134509, 147526, 156204, 221289, 269018, 295052, 312408, 403527, 442578, 538036, 590104, 663867, 807054, 885156, 1076072, 1210581, 1327734, 1614108, 1770312, 2286653, 2421162, 2655468, 3228216, 4573306, 4842324, 5310936, 6859959, 9146612, 9684648, 13719918, 18293224, 20579877, 27439836, 41159754, 54879672, 82319508, 164639016]

約数ペア:

[(1, 164639016), (2, 82319508), (3, 54879672), (4, 41159754), (6, 27439836), (8, 20579877), (9, 18293224), (12, 13719918), (17, 9684648), (18, 9146612), (24, 6859959), (31, 5310936), (34, 4842324), (36, 4573306), (51, 3228216), (62, 2655468), (68, 2421162), (72, 2286653), (93, 1770312), (102, 1614108), (124, 1327734), (136, 1210581), (153, 1076072), (186, 885156), (204, 807054), (248, 663867), (279, 590104), (306, 538036), (372, 442578), (408, 403527), (527, 312408), (558, 295052), (612, 269018), (744, 221289), (1054, 156204), (1116, 147526), (1224, 134509), (1581, 104136), (2108, 78102), (2232, 73763), (3162, 52068), (4216, 39051), (4339, 37944), (4743, 34712), (6324, 26034), (8678, 18972), (9486, 17356), (12648, 13017)]