31361880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1033}}^1$

素因数の和:1081

約数の個数: 128

約数和(自身を含む): 107205120

約数和(自身を除く): 75843240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 23, 24, 30, 33, 40, 44, 46, 55, 60, 66, 69, 88, 92, 110, 115, 120, 132, 138, 165, 184, 220, 230, 253, 264, 276, 330, 345, 440, 460, 506, 552, 660, 690, 759, 920, 1012, 1033, 1265, 1320, 1380, 1518, 2024, 2066, 2530, 2760, 3036, 3099, 3795, 4132, 5060, 5165, 6072, 6198, 7590, 8264, 10120, 10330, 11363, 12396, 15180, 15495, 20660, 22726, 23759, 24792, 30360, 30990, 34089, 41320, 45452, 47518, 56815, 61980, 68178, 71277, 90904, 95036, 113630, 118795, 123960, 136356, 142554, 170445, 190072, 227260, 237590, 261349, 272712, 285108, 340890, 356385, 454520, 475180, 522698, 570216, 681780, 712770, 784047, 950360, 1045396, 1306745, 1363560, 1425540, 1568094, 2090792, 2613490, 2851080, 3136188, 3920235, 5226980, 6272376, 7840470, 10453960, 15680940, 31361880]

約数ペア:

[(1, 31361880), (2, 15680940), (3, 10453960), (4, 7840470), (5, 6272376), (6, 5226980), (8, 3920235), (10, 3136188), (11, 2851080), (12, 2613490), (15, 2090792), (20, 1568094), (22, 1425540), (23, 1363560), (24, 1306745), (30, 1045396), (33, 950360), (40, 784047), (44, 712770), (46, 681780), (55, 570216), (60, 522698), (66, 475180), (69, 454520), (88, 356385), (92, 340890), (110, 285108), (115, 272712), (120, 261349), (132, 237590), (138, 227260), (165, 190072), (184, 170445), (220, 142554), (230, 136356), (253, 123960), (264, 118795), (276, 113630), (330, 95036), (345, 90904), (440, 71277), (460, 68178), (506, 61980), (552, 56815), (660, 47518), (690, 45452), (759, 41320), (920, 34089), (1012, 30990), (1033, 30360), (1265, 24792), (1320, 23759), (1380, 22726), (1518, 20660), (2024, 15495), (2066, 15180), (2530, 12396), (2760, 11363), (3036, 10330), (3099, 10120), (3795, 8264), (4132, 7590), (5060, 6198), (5165, 6072)]