1268640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{881}}^1$

素因数の和:902

約数の個数: 72

約数和(自身を含む): 4334148

約数和(自身を除く): 3065508

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 881, 1440, 1762, 2643, 3524, 4405, 5286, 7048, 7929, 8810, 10572, 13215, 14096, 15858, 17620, 21144, 26430, 28192, 31716, 35240, 39645, 42288, 52860, 63432, 70480, 79290, 84576, 105720, 126864, 140960, 158580, 211440, 253728, 317160, 422880, 634320, 1268640]

約数ペア:

[(1, 1268640), (2, 634320), (3, 422880), (4, 317160), (5, 253728), (6, 211440), (8, 158580), (9, 140960), (10, 126864), (12, 105720), (15, 84576), (16, 79290), (18, 70480), (20, 63432), (24, 52860), (30, 42288), (32, 39645), (36, 35240), (40, 31716), (45, 28192), (48, 26430), (60, 21144), (72, 17620), (80, 15858), (90, 14096), (96, 13215), (120, 10572), (144, 8810), (160, 7929), (180, 7048), (240, 5286), (288, 4405), (360, 3524), (480, 2643), (720, 1762), (881, 1440)]