81517440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{42457}}^1$

素因数の和:42479

約数の個数: 64

約数和(自身を含む): 259842960

約数和(自身を除く): 178325520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 42457, 84914, 127371, 169828, 212285, 254742, 339656, 424570, 509484, 636855, 679312, 849140, 1018968, 1273710, 1358624, 1698280, 2037936, 2547420, 2717248, 3396560, 4075872, 5094840, 5434496, 6793120, 8151744, 10189680, 13586240, 16303488, 20379360, 27172480, 40758720, 81517440]

約数ペア:

[(1, 81517440), (2, 40758720), (3, 27172480), (4, 20379360), (5, 16303488), (6, 13586240), (8, 10189680), (10, 8151744), (12, 6793120), (15, 5434496), (16, 5094840), (20, 4075872), (24, 3396560), (30, 2717248), (32, 2547420), (40, 2037936), (48, 1698280), (60, 1358624), (64, 1273710), (80, 1018968), (96, 849140), (120, 679312), (128, 636855), (160, 509484), (192, 424570), (240, 339656), (320, 254742), (384, 212285), (480, 169828), (640, 127371), (960, 84914), (1920, 42457)]