81336220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 204019200

約数和(自身を除く): 122682980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 59, 70, 86, 118, 140, 172, 215, 229, 236, 295, 301, 413, 430, 458, 590, 602, 826, 860, 916, 1145, 1180, 1204, 1505, 1603, 1652, 2065, 2290, 2537, 3010, 3206, 4130, 4580, 5074, 6020, 6412, 8015, 8260, 9847, 10148, 12685, 13511, 16030, 17759, 19694, 25370, 27022, 32060, 35518, 39388, 49235, 50740, 54044, 67555, 68929, 71036, 88795, 94577, 98470, 135110, 137858, 177590, 189154, 196940, 270220, 275716, 344645, 355180, 378308, 472885, 580973, 689290, 945770, 1161946, 1378580, 1891540, 2323892, 2904865, 4066811, 5809730, 8133622, 11619460, 16267244, 20334055, 40668110, 81336220]

約数ペア:

[(1, 81336220), (2, 40668110), (4, 20334055), (5, 16267244), (7, 11619460), (10, 8133622), (14, 5809730), (20, 4066811), (28, 2904865), (35, 2323892), (43, 1891540), (59, 1378580), (70, 1161946), (86, 945770), (118, 689290), (140, 580973), (172, 472885), (215, 378308), (229, 355180), (236, 344645), (295, 275716), (301, 270220), (413, 196940), (430, 189154), (458, 177590), (590, 137858), (602, 135110), (826, 98470), (860, 94577), (916, 88795), (1145, 71036), (1180, 68929), (1204, 67555), (1505, 54044), (1603, 50740), (1652, 49235), (2065, 39388), (2290, 35518), (2537, 32060), (3010, 27022), (3206, 25370), (4130, 19694), (4580, 17759), (5074, 16030), (6020, 13511), (6412, 12685), (8015, 10148), (8260, 9847)]