81885144

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:241

約数の個数: 128

約数和(自身を含む): 234420480

約数和(自身を除く): 152535336

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 37, 44, 66, 74, 83, 88, 101, 111, 132, 148, 166, 202, 222, 249, 264, 296, 303, 332, 404, 407, 444, 498, 606, 664, 808, 814, 888, 913, 996, 1111, 1212, 1221, 1628, 1826, 1992, 2222, 2424, 2442, 2739, 3071, 3256, 3333, 3652, 3737, 4444, 4884, 5478, 6142, 6666, 7304, 7474, 8383, 8888, 9213, 9768, 10956, 11211, 12284, 13332, 14948, 16766, 18426, 21912, 22422, 24568, 25149, 26664, 29896, 33532, 33781, 36852, 41107, 44844, 50298, 67064, 67562, 73704, 82214, 89688, 92213, 100596, 101343, 123321, 135124, 164428, 184426, 201192, 202686, 246642, 270248, 276639, 310171, 328856, 368852, 405372, 493284, 553278, 620342, 737704, 810744, 930513, 986568, 1106556, 1240684, 1861026, 2213112, 2481368, 3411881, 3722052, 6823762, 7444104, 10235643, 13647524, 20471286, 27295048, 40942572, 81885144]

約数ペア:

[(1, 81885144), (2, 40942572), (3, 27295048), (4, 20471286), (6, 13647524), (8, 10235643), (11, 7444104), (12, 6823762), (22, 3722052), (24, 3411881), (33, 2481368), (37, 2213112), (44, 1861026), (66, 1240684), (74, 1106556), (83, 986568), (88, 930513), (101, 810744), (111, 737704), (132, 620342), (148, 553278), (166, 493284), (202, 405372), (222, 368852), (249, 328856), (264, 310171), (296, 276639), (303, 270248), (332, 246642), (404, 202686), (407, 201192), (444, 184426), (498, 164428), (606, 135124), (664, 123321), (808, 101343), (814, 100596), (888, 92213), (913, 89688), (996, 82214), (1111, 73704), (1212, 67562), (1221, 67064), (1628, 50298), (1826, 44844), (1992, 41107), (2222, 36852), (2424, 33781), (2442, 33532), (2739, 29896), (3071, 26664), (3256, 25149), (3333, 24568), (3652, 22422), (3737, 21912), (4444, 18426), (4884, 16766), (5478, 14948), (6142, 13332), (6666, 12284), (7304, 11211), (7474, 10956), (8383, 9768), (8888, 9213)]