81934380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41381}}^1$

素因数の和:41407

約数の個数: 72

約数和(自身を含む): 271134864

約数和(自身を除く): 189200484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 41381, 82762, 124143, 165524, 206905, 248286, 372429, 413810, 455191, 496572, 620715, 744858, 827620, 910382, 1241430, 1365573, 1489716, 1820764, 1862145, 2275955, 2482860, 2731146, 3724290, 4096719, 4551910, 5462292, 6827865, 7448580, 8193438, 9103820, 13655730, 16386876, 20483595, 27311460, 40967190, 81934380]

約数ペア:

[(1, 81934380), (2, 40967190), (3, 27311460), (4, 20483595), (5, 16386876), (6, 13655730), (9, 9103820), (10, 8193438), (11, 7448580), (12, 6827865), (15, 5462292), (18, 4551910), (20, 4096719), (22, 3724290), (30, 2731146), (33, 2482860), (36, 2275955), (44, 1862145), (45, 1820764), (55, 1489716), (60, 1365573), (66, 1241430), (90, 910382), (99, 827620), (110, 744858), (132, 620715), (165, 496572), (180, 455191), (198, 413810), (220, 372429), (330, 248286), (396, 206905), (495, 165524), (660, 124143), (990, 82762), (1980, 41381)]