77760

素因数分解:

$2^6\times 3^5\times 5^1$

素因数の和:32

約数の個数: 84

約数和(自身を含む): 277368

約数和(自身を除く): 199608

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 243, 270, 288, 320, 324, 360, 405, 432, 480, 486, 540, 576, 648, 720, 810, 864, 960, 972, 1080, 1215, 1296, 1440, 1620, 1728, 1944, 2160, 2430, 2592, 2880, 3240, 3888, 4320, 4860, 5184, 6480, 7776, 8640, 9720, 12960, 15552, 19440, 25920, 38880, 77760]

約数ペア:

[(1, 77760), (2, 38880), (3, 25920), (4, 19440), (5, 15552), (6, 12960), (8, 9720), (9, 8640), (10, 7776), (12, 6480), (15, 5184), (16, 4860), (18, 4320), (20, 3888), (24, 3240), (27, 2880), (30, 2592), (32, 2430), (36, 2160), (40, 1944), (45, 1728), (48, 1620), (54, 1440), (60, 1296), (64, 1215), (72, 1080), (80, 972), (81, 960), (90, 864), (96, 810), (108, 720), (120, 648), (135, 576), (144, 540), (160, 486), (162, 480), (180, 432), (192, 405), (216, 360), (240, 324), (243, 320), (270, 288)]