208128840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1033}}^1$

素因数の和:1143

約数の個数: 128

約数和(自身を含む): 661098240

約数和(自身を除く): 452969400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 73, 92, 115, 120, 138, 146, 184, 219, 230, 276, 292, 345, 365, 438, 460, 552, 584, 690, 730, 876, 920, 1033, 1095, 1380, 1460, 1679, 1752, 2066, 2190, 2760, 2920, 3099, 3358, 4132, 4380, 5037, 5165, 6198, 6716, 8264, 8395, 8760, 10074, 10330, 12396, 13432, 15495, 16790, 20148, 20660, 23759, 24792, 25185, 30990, 33580, 40296, 41320, 47518, 50370, 61980, 67160, 71277, 75409, 95036, 100740, 118795, 123960, 142554, 150818, 190072, 201480, 226227, 237590, 285108, 301636, 356385, 377045, 452454, 475180, 570216, 603272, 712770, 754090, 904908, 950360, 1131135, 1425540, 1508180, 1734407, 1809816, 2262270, 2851080, 3016360, 3468814, 4524540, 5203221, 6937628, 8672035, 9049080, 10406442, 13875256, 17344070, 20812884, 26016105, 34688140, 41625768, 52032210, 69376280, 104064420, 208128840]

約数ペア:

[(1, 208128840), (2, 104064420), (3, 69376280), (4, 52032210), (5, 41625768), (6, 34688140), (8, 26016105), (10, 20812884), (12, 17344070), (15, 13875256), (20, 10406442), (23, 9049080), (24, 8672035), (30, 6937628), (40, 5203221), (46, 4524540), (60, 3468814), (69, 3016360), (73, 2851080), (92, 2262270), (115, 1809816), (120, 1734407), (138, 1508180), (146, 1425540), (184, 1131135), (219, 950360), (230, 904908), (276, 754090), (292, 712770), (345, 603272), (365, 570216), (438, 475180), (460, 452454), (552, 377045), (584, 356385), (690, 301636), (730, 285108), (876, 237590), (920, 226227), (1033, 201480), (1095, 190072), (1380, 150818), (1460, 142554), (1679, 123960), (1752, 118795), (2066, 100740), (2190, 95036), (2760, 75409), (2920, 71277), (3099, 67160), (3358, 61980), (4132, 50370), (4380, 47518), (5037, 41320), (5165, 40296), (6198, 33580), (6716, 30990), (8264, 25185), (8395, 24792), (8760, 23759), (10074, 20660), (10330, 20148), (12396, 16790), (13432, 15495)]