155520

素因数分解:

$2^7\times 3^5\times 5^1$

素因数の和:34

約数の個数: 96

約数和(自身を含む): 556920

約数和(自身を除く): 401400

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, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 540, 576, 640, 648, 720, 810, 864, 960, 972, 1080, 1152, 1215, 1296, 1440, 1620, 1728, 1920, 1944, 2160, 2430, 2592, 2880, 3240, 3456, 3888, 4320, 4860, 5184, 5760, 6480, 7776, 8640, 9720, 10368, 12960, 15552, 17280, 19440, 25920, 31104, 38880, 51840, 77760, 155520]

約数ペア:

[(1, 155520), (2, 77760), (3, 51840), (4, 38880), (5, 31104), (6, 25920), (8, 19440), (9, 17280), (10, 15552), (12, 12960), (15, 10368), (16, 9720), (18, 8640), (20, 7776), (24, 6480), (27, 5760), (30, 5184), (32, 4860), (36, 4320), (40, 3888), (45, 3456), (48, 3240), (54, 2880), (60, 2592), (64, 2430), (72, 2160), (80, 1944), (81, 1920), (90, 1728), (96, 1620), (108, 1440), (120, 1296), (128, 1215), (135, 1152), (144, 1080), (160, 972), (162, 960), (180, 864), (192, 810), (216, 720), (240, 648), (243, 640), (270, 576), (288, 540), (320, 486), (324, 480), (360, 432), (384, 405)]