81156816

素因数分解:

$2^4\times 3^4\times {\mathrm{13}}^1\times {\mathrm{4817}}^1$

素因数の和:4850

約数の個数: 100

約数和(自身を含む): 253012452

約数和(自身を除く): 171855636

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 81, 104, 108, 117, 144, 156, 162, 208, 216, 234, 312, 324, 351, 432, 468, 624, 648, 702, 936, 1053, 1296, 1404, 1872, 2106, 2808, 4212, 4817, 5616, 8424, 9634, 14451, 16848, 19268, 28902, 38536, 43353, 57804, 62621, 77072, 86706, 115608, 125242, 130059, 173412, 187863, 231216, 250484, 260118, 346824, 375726, 390177, 500968, 520236, 563589, 693648, 751452, 780354, 1001936, 1040472, 1127178, 1502904, 1560708, 1690767, 2080944, 2254356, 3005808, 3121416, 3381534, 4508712, 5072301, 6242832, 6763068, 9017424, 10144602, 13526136, 20289204, 27052272, 40578408, 81156816]

約数ペア:

[(1, 81156816), (2, 40578408), (3, 27052272), (4, 20289204), (6, 13526136), (8, 10144602), (9, 9017424), (12, 6763068), (13, 6242832), (16, 5072301), (18, 4508712), (24, 3381534), (26, 3121416), (27, 3005808), (36, 2254356), (39, 2080944), (48, 1690767), (52, 1560708), (54, 1502904), (72, 1127178), (78, 1040472), (81, 1001936), (104, 780354), (108, 751452), (117, 693648), (144, 563589), (156, 520236), (162, 500968), (208, 390177), (216, 375726), (234, 346824), (312, 260118), (324, 250484), (351, 231216), (432, 187863), (468, 173412), (624, 130059), (648, 125242), (702, 115608), (936, 86706), (1053, 77072), (1296, 62621), (1404, 57804), (1872, 43353), (2106, 38536), (2808, 28902), (4212, 19268), (4817, 16848), (5616, 14451), (8424, 9634)]