82168740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1697}}^1$

素因数の和:1981

約数の個数: 72

約数和(自身を含む): 250319160

約数和(自身を除く): 168150420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 269, 538, 807, 1076, 1345, 1614, 1697, 2421, 2690, 3228, 3394, 4035, 4842, 5091, 5380, 6788, 8070, 8485, 9684, 10182, 12105, 15273, 16140, 16970, 20364, 24210, 25455, 30546, 33940, 48420, 50910, 61092, 76365, 101820, 152730, 305460, 456493, 912986, 1369479, 1825972, 2282465, 2738958, 4108437, 4564930, 5477916, 6847395, 8216874, 9129860, 13694790, 16433748, 20542185, 27389580, 41084370, 82168740]

約数ペア:

[(1, 82168740), (2, 41084370), (3, 27389580), (4, 20542185), (5, 16433748), (6, 13694790), (9, 9129860), (10, 8216874), (12, 6847395), (15, 5477916), (18, 4564930), (20, 4108437), (30, 2738958), (36, 2282465), (45, 1825972), (60, 1369479), (90, 912986), (180, 456493), (269, 305460), (538, 152730), (807, 101820), (1076, 76365), (1345, 61092), (1614, 50910), (1697, 48420), (2421, 33940), (2690, 30546), (3228, 25455), (3394, 24210), (4035, 20364), (4842, 16970), (5091, 16140), (5380, 15273), (6788, 12105), (8070, 10182), (8485, 9684)]