63871280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{401}}^1$

素因数の和:606

約数の個数: 80

約数和(自身を含む): 163302048

約数和(自身を除く): 99430768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 181, 220, 362, 401, 440, 724, 802, 880, 905, 1448, 1604, 1810, 1991, 2005, 2896, 3208, 3620, 3982, 4010, 4411, 6416, 7240, 7964, 8020, 8822, 9955, 14480, 15928, 16040, 17644, 19910, 22055, 31856, 32080, 35288, 39820, 44110, 70576, 72581, 79640, 88220, 145162, 159280, 176440, 290324, 352880, 362905, 580648, 725810, 798391, 1161296, 1451620, 1596782, 2903240, 3193564, 3991955, 5806480, 6387128, 7983910, 12774256, 15967820, 31935640, 63871280]

約数ペア:

[(1, 63871280), (2, 31935640), (4, 15967820), (5, 12774256), (8, 7983910), (10, 6387128), (11, 5806480), (16, 3991955), (20, 3193564), (22, 2903240), (40, 1596782), (44, 1451620), (55, 1161296), (80, 798391), (88, 725810), (110, 580648), (176, 362905), (181, 352880), (220, 290324), (362, 176440), (401, 159280), (440, 145162), (724, 88220), (802, 79640), (880, 72581), (905, 70576), (1448, 44110), (1604, 39820), (1810, 35288), (1991, 32080), (2005, 31856), (2896, 22055), (3208, 19910), (3620, 17644), (3982, 16040), (4010, 15928), (4411, 14480), (6416, 9955), (7240, 8822), (7964, 8020)]