2220500385

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1877}}^1$

素因数の和:2044

約数の個数: 80

約数和(自身を含む): 4188450816

約数和(自身を除く): 1967950431

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 127, 135, 207, 345, 381, 405, 621, 635, 1035, 1143, 1863, 1877, 1905, 2921, 3105, 3429, 5631, 5715, 8763, 9315, 9385, 10287, 14605, 16893, 17145, 26289, 28155, 43171, 43815, 50679, 51435, 78867, 84465, 129513, 131445, 152037, 215855, 236601, 238379, 253395, 388539, 394335, 647565, 715137, 760185, 1165617, 1183005, 1191895, 1942695, 2145411, 3496851, 3575685, 5482717, 5828085, 6436233, 10727055, 16448151, 17484255, 19308699, 27413585, 32181165, 49344453, 82240755, 96543495, 148033359, 246722265, 444100077, 740166795, 2220500385]

約数ペア:

[(1, 2220500385), (3, 740166795), (5, 444100077), (9, 246722265), (15, 148033359), (23, 96543495), (27, 82240755), (45, 49344453), (69, 32181165), (81, 27413585), (115, 19308699), (127, 17484255), (135, 16448151), (207, 10727055), (345, 6436233), (381, 5828085), (405, 5482717), (621, 3575685), (635, 3496851), (1035, 2145411), (1143, 1942695), (1863, 1191895), (1877, 1183005), (1905, 1165617), (2921, 760185), (3105, 715137), (3429, 647565), (5631, 394335), (5715, 388539), (8763, 253395), (9315, 238379), (9385, 236601), (10287, 215855), (14605, 152037), (16893, 131445), (17145, 129513), (26289, 84465), (28155, 78867), (43171, 51435), (43815, 50679)]