81485184

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:320

約数の個数: 128

約数和(自身を含む): 239708160

約数和(自身を除く): 158222976

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 101, 128, 132, 176, 191, 192, 202, 264, 303, 352, 382, 384, 404, 528, 573, 606, 704, 764, 808, 1056, 1111, 1146, 1212, 1408, 1528, 1616, 2101, 2112, 2222, 2292, 2424, 3056, 3232, 3333, 4202, 4224, 4444, 4584, 4848, 6112, 6303, 6464, 6666, 8404, 8888, 9168, 9696, 12224, 12606, 12928, 13332, 16808, 17776, 18336, 19291, 19392, 24448, 25212, 26664, 33616, 35552, 36672, 38582, 38784, 50424, 53328, 57873, 67232, 71104, 73344, 77164, 100848, 106656, 115746, 134464, 142208, 154328, 201696, 212201, 213312, 231492, 268928, 308656, 403392, 424402, 426624, 462984, 617312, 636603, 806784, 848804, 925968, 1234624, 1273206, 1697608, 1851936, 2469248, 2546412, 3395216, 3703872, 5092824, 6790432, 7407744, 10185648, 13580864, 20371296, 27161728, 40742592, 81485184]

約数ペア:

[(1, 81485184), (2, 40742592), (3, 27161728), (4, 20371296), (6, 13580864), (8, 10185648), (11, 7407744), (12, 6790432), (16, 5092824), (22, 3703872), (24, 3395216), (32, 2546412), (33, 2469248), (44, 1851936), (48, 1697608), (64, 1273206), (66, 1234624), (88, 925968), (96, 848804), (101, 806784), (128, 636603), (132, 617312), (176, 462984), (191, 426624), (192, 424402), (202, 403392), (264, 308656), (303, 268928), (352, 231492), (382, 213312), (384, 212201), (404, 201696), (528, 154328), (573, 142208), (606, 134464), (704, 115746), (764, 106656), (808, 100848), (1056, 77164), (1111, 73344), (1146, 71104), (1212, 67232), (1408, 57873), (1528, 53328), (1616, 50424), (2101, 38784), (2112, 38582), (2222, 36672), (2292, 35552), (2424, 33616), (3056, 26664), (3232, 25212), (3333, 24448), (4202, 19392), (4224, 19291), (4444, 18336), (4584, 17776), (4848, 16808), (6112, 13332), (6303, 12928), (6464, 12606), (6666, 12224), (8404, 9696), (8888, 9168)]