68204775

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2081}}^1$

素因数の和:2136

約数の個数: 48

約数和(自身を含む): 123920640

約数和(自身を除く): 55715865

約数列:

[1, 3, 5, 15, 19, 23, 25, 57, 69, 75, 95, 115, 285, 345, 437, 475, 575, 1311, 1425, 1725, 2081, 2185, 6243, 6555, 10405, 10925, 31215, 32775, 39539, 47863, 52025, 118617, 143589, 156075, 197695, 239315, 593085, 717945, 909397, 988475, 1196575, 2728191, 2965425, 3589725, 4546985, 13640955, 22734925, 68204775]

約数ペア:

[(1, 68204775), (3, 22734925), (5, 13640955), (15, 4546985), (19, 3589725), (23, 2965425), (25, 2728191), (57, 1196575), (69, 988475), (75, 909397), (95, 717945), (115, 593085), (285, 239315), (345, 197695), (437, 156075), (475, 143589), (575, 118617), (1311, 52025), (1425, 47863), (1725, 39539), (2081, 32775), (2185, 31215), (6243, 10925), (6555, 10405)]