77720868

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{83}}^1$

素因数の和:186

約数の個数: 108

約数和(自身を含む): 215102160

約数和(自身を除く): 137381292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 57, 74, 76, 83, 111, 114, 148, 166, 171, 222, 228, 249, 332, 333, 342, 444, 498, 666, 684, 703, 747, 996, 1332, 1369, 1406, 1494, 1577, 2109, 2738, 2812, 2988, 3071, 3154, 4107, 4218, 4731, 5476, 6142, 6308, 6327, 8214, 8436, 9213, 9462, 12284, 12321, 12654, 14193, 16428, 18426, 18924, 24642, 25308, 26011, 27639, 28386, 36852, 49284, 52022, 55278, 56772, 58349, 78033, 104044, 110556, 113627, 116698, 156066, 175047, 227254, 233396, 234099, 312132, 340881, 350094, 454508, 468198, 525141, 681762, 700188, 936396, 1022643, 1050282, 1363524, 2045286, 2100564, 2158913, 4090572, 4317826, 6476739, 8635652, 12953478, 19430217, 25906956, 38860434, 77720868]

約数ペア:

[(1, 77720868), (2, 38860434), (3, 25906956), (4, 19430217), (6, 12953478), (9, 8635652), (12, 6476739), (18, 4317826), (19, 4090572), (36, 2158913), (37, 2100564), (38, 2045286), (57, 1363524), (74, 1050282), (76, 1022643), (83, 936396), (111, 700188), (114, 681762), (148, 525141), (166, 468198), (171, 454508), (222, 350094), (228, 340881), (249, 312132), (332, 234099), (333, 233396), (342, 227254), (444, 175047), (498, 156066), (666, 116698), (684, 113627), (703, 110556), (747, 104044), (996, 78033), (1332, 58349), (1369, 56772), (1406, 55278), (1494, 52022), (1577, 49284), (2109, 36852), (2738, 28386), (2812, 27639), (2988, 26011), (3071, 25308), (3154, 24642), (4107, 18924), (4218, 18426), (4731, 16428), (5476, 14193), (6142, 12654), (6308, 12321), (6327, 12284), (8214, 9462), (8436, 9213)]