256455720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{79153}}^1$

素因数の和:79176

約数の個数: 80

約数和(自身を含む): 861987060

約数和(自身を除く): 605531340

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, 79153, 158306, 237459, 316612, 395765, 474918, 633224, 712377, 791530, 949836, 1187295, 1424754, 1583060, 1899672, 2137131, 2374590, 2849508, 3166120, 3561885, 4274262, 4749180, 5699016, 6411393, 7123770, 8548524, 9498360, 10685655, 12822786, 14247540, 17097048, 21371310, 25645572, 28495080, 32056965, 42742620, 51291144, 64113930, 85485240, 128227860, 256455720]

約数ペア:

[(1, 256455720), (2, 128227860), (3, 85485240), (4, 64113930), (5, 51291144), (6, 42742620), (8, 32056965), (9, 28495080), (10, 25645572), (12, 21371310), (15, 17097048), (18, 14247540), (20, 12822786), (24, 10685655), (27, 9498360), (30, 8548524), (36, 7123770), (40, 6411393), (45, 5699016), (54, 4749180), (60, 4274262), (72, 3561885), (81, 3166120), (90, 2849508), (108, 2374590), (120, 2137131), (135, 1899672), (162, 1583060), (180, 1424754), (216, 1187295), (270, 949836), (324, 791530), (360, 712377), (405, 633224), (540, 474918), (648, 395765), (810, 316612), (1080, 237459), (1620, 158306), (3240, 79153)]