397268640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{275881}}^1$

素因数の和:275902

約数の個数: 72

約数和(自身を含む): 1355684148

約数和(自身を除く): 958415508

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, 1440, 275881, 551762, 827643, 1103524, 1379405, 1655286, 2207048, 2482929, 2758810, 3310572, 4138215, 4414096, 4965858, 5517620, 6621144, 8276430, 8828192, 9931716, 11035240, 12414645, 13242288, 16552860, 19863432, 22070480, 24829290, 26484576, 33105720, 39726864, 44140960, 49658580, 66211440, 79453728, 99317160, 132422880, 198634320, 397268640]

約数ペア:

[(1, 397268640), (2, 198634320), (3, 132422880), (4, 99317160), (5, 79453728), (6, 66211440), (8, 49658580), (9, 44140960), (10, 39726864), (12, 33105720), (15, 26484576), (16, 24829290), (18, 22070480), (20, 19863432), (24, 16552860), (30, 13242288), (32, 12414645), (36, 11035240), (40, 9931716), (45, 8828192), (48, 8276430), (60, 6621144), (72, 5517620), (80, 4965858), (90, 4414096), (96, 4138215), (120, 3310572), (144, 2758810), (160, 2482929), (180, 2207048), (240, 1655286), (288, 1379405), (360, 1103524), (480, 827643), (720, 551762), (1440, 275881)]