257910480

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{13267}}^1$

素因数の和:13295

約数の個数: 120

約数和(自身を含む): 898296672

約数和(自身を除く): 640386192

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, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 2160, 2430, 3240, 3888, 4860, 6480, 9720, 13267, 19440, 26534, 39801, 53068, 66335, 79602, 106136, 119403, 132670, 159204, 199005, 212272, 238806, 265340, 318408, 358209, 398010, 477612, 530680, 597015, 636816, 716418, 796020, 955224, 1061360, 1074627, 1194030, 1432836, 1592040, 1791045, 1910448, 2149254, 2388060, 2865672, 3184080, 3223881, 3582090, 4298508, 4776120, 5373135, 5731344, 6447762, 7164180, 8597016, 9552240, 10746270, 12895524, 14328360, 16119405, 17194032, 21492540, 25791048, 28656720, 32238810, 42985080, 51582096, 64477620, 85970160, 128955240, 257910480]

約数ペア:

[(1, 257910480), (2, 128955240), (3, 85970160), (4, 64477620), (5, 51582096), (6, 42985080), (8, 32238810), (9, 28656720), (10, 25791048), (12, 21492540), (15, 17194032), (16, 16119405), (18, 14328360), (20, 12895524), (24, 10746270), (27, 9552240), (30, 8597016), (36, 7164180), (40, 6447762), (45, 5731344), (48, 5373135), (54, 4776120), (60, 4298508), (72, 3582090), (80, 3223881), (81, 3184080), (90, 2865672), (108, 2388060), (120, 2149254), (135, 1910448), (144, 1791045), (162, 1592040), (180, 1432836), (216, 1194030), (240, 1074627), (243, 1061360), (270, 955224), (324, 796020), (360, 716418), (405, 636816), (432, 597015), (486, 530680), (540, 477612), (648, 398010), (720, 358209), (810, 318408), (972, 265340), (1080, 238806), (1215, 212272), (1296, 199005), (1620, 159204), (1944, 132670), (2160, 119403), (2430, 106136), (3240, 79602), (3888, 66335), (4860, 53068), (6480, 39801), (9720, 26534), (13267, 19440)]