64965240

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{20051}}^1$

素因数の和:20074

約数の個数: 80

約数和(自身を含む): 218366280

約数和(自身を除く): 153401040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 20051, 40102, 60153, 80204, 100255, 120306, 160408, 180459, 200510, 240612, 300765, 360918, 401020, 481224, 541377, 601530, 721836, 802040, 902295, 1082754, 1203060, 1443672, 1624131, 1804590, 2165508, 2406120, 2706885, 3248262, 3609180, 4331016, 5413770, 6496524, 7218360, 8120655, 10827540, 12993048, 16241310, 21655080, 32482620, 64965240]

約数ペア:

[(1, 64965240), (2, 32482620), (3, 21655080), (4, 16241310), (5, 12993048), (6, 10827540), (8, 8120655), (9, 7218360), (10, 6496524), (12, 5413770), (15, 4331016), (18, 3609180), (20, 3248262), (24, 2706885), (27, 2406120), (30, 2165508), (36, 1804590), (40, 1624131), (45, 1443672), (54, 1203060), (60, 1082754), (72, 902295), (81, 802040), (90, 721836), (108, 601530), (120, 541377), (135, 481224), (162, 401020), (180, 360918), (216, 300765), (270, 240612), (324, 200510), (360, 180459), (405, 160408), (540, 120306), (648, 100255), (810, 80204), (1080, 60153), (1620, 40102), (3240, 20051)]