81759240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{75703}}^1$

素因数の和:75723

約数の個数: 64

約数和(自身を含む): 272534400

約数和(自身を除く): 190775160

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, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 75703, 151406, 227109, 302812, 378515, 454218, 605624, 681327, 757030, 908436, 1135545, 1362654, 1514060, 1816872, 2043981, 2271090, 2725308, 3028120, 3406635, 4087962, 4542180, 5450616, 6813270, 8175924, 9084360, 10219905, 13626540, 16351848, 20439810, 27253080, 40879620, 81759240]

約数ペア:

[(1, 81759240), (2, 40879620), (3, 27253080), (4, 20439810), (5, 16351848), (6, 13626540), (8, 10219905), (9, 9084360), (10, 8175924), (12, 6813270), (15, 5450616), (18, 4542180), (20, 4087962), (24, 3406635), (27, 3028120), (30, 2725308), (36, 2271090), (40, 2043981), (45, 1816872), (54, 1514060), (60, 1362654), (72, 1135545), (90, 908436), (108, 757030), (120, 681327), (135, 605624), (180, 454218), (216, 378515), (270, 302812), (360, 227109), (540, 151406), (1080, 75703)]