81143580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4493}}^1$

素因数の和:4555

約数の個数: 96

約数和(自身を含む): 265757184

約数和(自身を除く): 184613604

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 129, 140, 172, 210, 215, 258, 301, 420, 430, 516, 602, 645, 860, 903, 1204, 1290, 1505, 1806, 2580, 3010, 3612, 4493, 4515, 6020, 8986, 9030, 13479, 17972, 18060, 22465, 26958, 31451, 44930, 53916, 62902, 67395, 89860, 94353, 125804, 134790, 157255, 188706, 193199, 269580, 314510, 377412, 386398, 471765, 579597, 629020, 772796, 943530, 965995, 1159194, 1352393, 1887060, 1931990, 2318388, 2704786, 2897985, 3863980, 4057179, 5409572, 5795970, 6761965, 8114358, 11591940, 13523930, 16228716, 20285895, 27047860, 40571790, 81143580]

約数ペア:

[(1, 81143580), (2, 40571790), (3, 27047860), (4, 20285895), (5, 16228716), (6, 13523930), (7, 11591940), (10, 8114358), (12, 6761965), (14, 5795970), (15, 5409572), (20, 4057179), (21, 3863980), (28, 2897985), (30, 2704786), (35, 2318388), (42, 1931990), (43, 1887060), (60, 1352393), (70, 1159194), (84, 965995), (86, 943530), (105, 772796), (129, 629020), (140, 579597), (172, 471765), (210, 386398), (215, 377412), (258, 314510), (301, 269580), (420, 193199), (430, 188706), (516, 157255), (602, 134790), (645, 125804), (860, 94353), (903, 89860), (1204, 67395), (1290, 62902), (1505, 53916), (1806, 44930), (2580, 31451), (3010, 26958), (3612, 22465), (4493, 18060), (4515, 17972), (6020, 13479), (8986, 9030)]