68091980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{7549}}^1$

素因数の和:7610

約数の個数: 48

約数和(自身を含む): 159818400

約数和(自身を除く): 91726420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 7549, 9020, 15098, 30196, 37745, 75490, 83039, 150980, 166078, 309509, 332156, 415195, 619018, 830390, 1238036, 1547545, 1660780, 3095090, 3404599, 6190180, 6809198, 13618396, 17022995, 34045990, 68091980]

約数ペア:

[(1, 68091980), (2, 34045990), (4, 17022995), (5, 13618396), (10, 6809198), (11, 6190180), (20, 3404599), (22, 3095090), (41, 1660780), (44, 1547545), (55, 1238036), (82, 830390), (110, 619018), (164, 415195), (205, 332156), (220, 309509), (410, 166078), (451, 150980), (820, 83039), (902, 75490), (1804, 37745), (2255, 30196), (4510, 15098), (7549, 9020)]