128885640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82619}}^1$

素因数の和:82646

約数の個数: 64

約数和(自身を含む): 416404800

約数和(自身を除く): 287519160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 82619, 165238, 247857, 330476, 413095, 495714, 660952, 826190, 991428, 1074047, 1239285, 1652380, 1982856, 2148094, 2478570, 3222141, 3304760, 4296188, 4957140, 5370235, 6444282, 8592376, 9914280, 10740470, 12888564, 16110705, 21480940, 25777128, 32221410, 42961880, 64442820, 128885640]

約数ペア:

[(1, 128885640), (2, 64442820), (3, 42961880), (4, 32221410), (5, 25777128), (6, 21480940), (8, 16110705), (10, 12888564), (12, 10740470), (13, 9914280), (15, 8592376), (20, 6444282), (24, 5370235), (26, 4957140), (30, 4296188), (39, 3304760), (40, 3222141), (52, 2478570), (60, 2148094), (65, 1982856), (78, 1652380), (104, 1239285), (120, 1074047), (130, 991428), (156, 826190), (195, 660952), (260, 495714), (312, 413095), (390, 330476), (520, 247857), (780, 165238), (1560, 82619)]