81174960

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{12527}}^1$

素因数の和:12552

約数の個数: 100

約数和(自身を含む): 281955168

約数和(自身を除く): 200780208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 12527, 25054, 37581, 50108, 62635, 75162, 100216, 112743, 125270, 150324, 187905, 200432, 225486, 250540, 300648, 338229, 375810, 450972, 501080, 563715, 601296, 676458, 751620, 901944, 1002160, 1014687, 1127430, 1352916, 1503240, 1691145, 1803888, 2029374, 2254860, 2705832, 3006480, 3382290, 4058748, 4509720, 5073435, 5411664, 6764580, 8117496, 9019440, 10146870, 13529160, 16234992, 20293740, 27058320, 40587480, 81174960]

約数ペア:

[(1, 81174960), (2, 40587480), (3, 27058320), (4, 20293740), (5, 16234992), (6, 13529160), (8, 10146870), (9, 9019440), (10, 8117496), (12, 6764580), (15, 5411664), (16, 5073435), (18, 4509720), (20, 4058748), (24, 3382290), (27, 3006480), (30, 2705832), (36, 2254860), (40, 2029374), (45, 1803888), (48, 1691145), (54, 1503240), (60, 1352916), (72, 1127430), (80, 1014687), (81, 1002160), (90, 901944), (108, 751620), (120, 676458), (135, 601296), (144, 563715), (162, 501080), (180, 450972), (216, 375810), (240, 338229), (270, 300648), (324, 250540), (360, 225486), (405, 200432), (432, 187905), (540, 150324), (648, 125270), (720, 112743), (810, 100216), (1080, 75162), (1296, 62635), (1620, 50108), (2160, 37581), (3240, 25054), (6480, 12527)]