81607068

素因数分解:

$2^2\times 3^3\times {\mathrm{53}}^2\times {\mathrm{269}}^1$

素因数の和:388

約数の個数: 72

約数和(自身を含む): 216442800

約数和(自身を除く): 134835732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 106, 108, 159, 212, 269, 318, 477, 538, 636, 807, 954, 1076, 1431, 1614, 1908, 2421, 2809, 2862, 3228, 4842, 5618, 5724, 7263, 8427, 9684, 11236, 14257, 14526, 16854, 25281, 28514, 29052, 33708, 42771, 50562, 57028, 75843, 85542, 101124, 128313, 151686, 171084, 256626, 303372, 384939, 513252, 755621, 769878, 1511242, 1539756, 2266863, 3022484, 4533726, 6800589, 9067452, 13601178, 20401767, 27202356, 40803534, 81607068]

約数ペア:

[(1, 81607068), (2, 40803534), (3, 27202356), (4, 20401767), (6, 13601178), (9, 9067452), (12, 6800589), (18, 4533726), (27, 3022484), (36, 2266863), (53, 1539756), (54, 1511242), (106, 769878), (108, 755621), (159, 513252), (212, 384939), (269, 303372), (318, 256626), (477, 171084), (538, 151686), (636, 128313), (807, 101124), (954, 85542), (1076, 75843), (1431, 57028), (1614, 50562), (1908, 42771), (2421, 33708), (2809, 29052), (2862, 28514), (3228, 25281), (4842, 16854), (5618, 14526), (5724, 14257), (7263, 11236), (8427, 9684)]