81577968

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:674

約数の個数: 80

約数和(自身を含む): 224583840

約数和(自身を除く): 143005872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 257, 272, 389, 408, 514, 771, 778, 816, 1028, 1167, 1542, 1556, 2056, 2334, 3084, 3112, 4112, 4369, 4668, 6168, 6224, 6613, 8738, 9336, 12336, 13107, 13226, 17476, 18672, 19839, 26214, 26452, 34952, 39678, 52428, 52904, 69904, 79356, 99973, 104856, 105808, 158712, 199946, 209712, 299919, 317424, 399892, 599838, 799784, 1199676, 1599568, 1699541, 2399352, 3399082, 4798704, 5098623, 6798164, 10197246, 13596328, 20394492, 27192656, 40788984, 81577968]

約数ペア:

[(1, 81577968), (2, 40788984), (3, 27192656), (4, 20394492), (6, 13596328), (8, 10197246), (12, 6798164), (16, 5098623), (17, 4798704), (24, 3399082), (34, 2399352), (48, 1699541), (51, 1599568), (68, 1199676), (102, 799784), (136, 599838), (204, 399892), (257, 317424), (272, 299919), (389, 209712), (408, 199946), (514, 158712), (771, 105808), (778, 104856), (816, 99973), (1028, 79356), (1167, 69904), (1542, 52904), (1556, 52428), (2056, 39678), (2334, 34952), (3084, 26452), (3112, 26214), (4112, 19839), (4369, 18672), (4668, 17476), (6168, 13226), (6224, 13107), (6613, 12336), (8738, 9336)]