1208177560

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1\times {\mathrm{557}}^1$

素因数の和:1036

約数の個数: 64

約数和(自身を含む): 2746833120

約数和(自身を除く): 1538655560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 257, 422, 514, 557, 844, 1028, 1055, 1114, 1285, 1688, 2056, 2110, 2228, 2570, 2785, 4220, 4456, 5140, 5570, 8440, 10280, 11140, 22280, 54227, 108454, 117527, 143149, 216908, 235054, 271135, 286298, 433816, 470108, 542270, 572596, 587635, 715745, 940216, 1084540, 1145192, 1175270, 1431490, 2169080, 2350540, 2862980, 4701080, 5725960, 30204439, 60408878, 120817756, 151022195, 241635512, 302044390, 604088780, 1208177560]

約数ペア:

[(1, 1208177560), (2, 604088780), (4, 302044390), (5, 241635512), (8, 151022195), (10, 120817756), (20, 60408878), (40, 30204439), (211, 5725960), (257, 4701080), (422, 2862980), (514, 2350540), (557, 2169080), (844, 1431490), (1028, 1175270), (1055, 1145192), (1114, 1084540), (1285, 940216), (1688, 715745), (2056, 587635), (2110, 572596), (2228, 542270), (2570, 470108), (2785, 433816), (4220, 286298), (4456, 271135), (5140, 235054), (5570, 216908), (8440, 143149), (10280, 117527), (11140, 108454), (22280, 54227)]