68702955

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 123863040

約数和(自身を除く): 55160085

約数列:

[1, 3, 5, 15, 19, 23, 47, 57, 69, 95, 115, 141, 223, 235, 285, 345, 437, 669, 705, 893, 1081, 1115, 1311, 2185, 2679, 3243, 3345, 4237, 4465, 5129, 5405, 6555, 10481, 12711, 13395, 15387, 16215, 20539, 21185, 25645, 31443, 52405, 61617, 63555, 76935, 97451, 102695, 157215, 199139, 241063, 292353, 308085, 487255, 597417, 723189, 995695, 1205315, 1461765, 2987085, 3615945, 4580197, 13740591, 22900985, 68702955]

約数ペア:

[(1, 68702955), (3, 22900985), (5, 13740591), (15, 4580197), (19, 3615945), (23, 2987085), (47, 1461765), (57, 1205315), (69, 995695), (95, 723189), (115, 597417), (141, 487255), (223, 308085), (235, 292353), (285, 241063), (345, 199139), (437, 157215), (669, 102695), (705, 97451), (893, 76935), (1081, 63555), (1115, 61617), (1311, 52405), (2185, 31443), (2679, 25645), (3243, 21185), (3345, 20539), (4237, 16215), (4465, 15387), (5129, 13395), (5405, 12711), (6555, 10481)]