81271872

素因数分解:

$2^6\times 3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 168

約数和(自身を含む): 258665472

約数和(自身を除く): 177393600

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 72, 88, 96, 99, 101, 127, 132, 144, 176, 192, 198, 202, 254, 264, 288, 303, 352, 381, 396, 404, 508, 528, 576, 606, 704, 762, 792, 808, 909, 1016, 1056, 1111, 1143, 1212, 1397, 1524, 1584, 1616, 1818, 2032, 2112, 2222, 2286, 2424, 2794, 3048, 3168, 3232, 3333, 3636, 4064, 4191, 4444, 4572, 4848, 5588, 6096, 6336, 6464, 6666, 7272, 8128, 8382, 8888, 9144, 9696, 9999, 11176, 12192, 12573, 12827, 13332, 14544, 16764, 17776, 18288, 19392, 19998, 22352, 24384, 25146, 25654, 26664, 29088, 33528, 35552, 36576, 38481, 39996, 44704, 50292, 51308, 53328, 58176, 67056, 71104, 73152, 76962, 79992, 89408, 100584, 102616, 106656, 115443, 134112, 141097, 153924, 159984, 201168, 205232, 213312, 230886, 268224, 282194, 307848, 319968, 402336, 410464, 423291, 461772, 564388, 615696, 639936, 804672, 820928, 846582, 923544, 1128776, 1231392, 1269873, 1693164, 1847088, 2257552, 2462784, 2539746, 3386328, 3694176, 4515104, 5079492, 6772656, 7388352, 9030208, 10158984, 13545312, 20317968, 27090624, 40635936, 81271872]

約数ペア:

[(1, 81271872), (2, 40635936), (3, 27090624), (4, 20317968), (6, 13545312), (8, 10158984), (9, 9030208), (11, 7388352), (12, 6772656), (16, 5079492), (18, 4515104), (22, 3694176), (24, 3386328), (32, 2539746), (33, 2462784), (36, 2257552), (44, 1847088), (48, 1693164), (64, 1269873), (66, 1231392), (72, 1128776), (88, 923544), (96, 846582), (99, 820928), (101, 804672), (127, 639936), (132, 615696), (144, 564388), (176, 461772), (192, 423291), (198, 410464), (202, 402336), (254, 319968), (264, 307848), (288, 282194), (303, 268224), (352, 230886), (381, 213312), (396, 205232), (404, 201168), (508, 159984), (528, 153924), (576, 141097), (606, 134112), (704, 115443), (762, 106656), (792, 102616), (808, 100584), (909, 89408), (1016, 79992), (1056, 76962), (1111, 73152), (1143, 71104), (1212, 67056), (1397, 58176), (1524, 53328), (1584, 51308), (1616, 50292), (1818, 44704), (2032, 39996), (2112, 38481), (2222, 36576), (2286, 35552), (2424, 33528), (2794, 29088), (3048, 26664), (3168, 25654), (3232, 25146), (3333, 24384), (3636, 22352), (4064, 19998), (4191, 19392), (4444, 18288), (4572, 17776), (4848, 16764), (5588, 14544), (6096, 13332), (6336, 12827), (6464, 12573), (6666, 12192), (7272, 11176), (8128, 9999), (8382, 9696), (8888, 9144)]