280784220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{76717}}^1$

素因数の和:76790

約数の個数: 48

約数和(自身を含む): 799094688

約数和(自身を除く): 518310468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 76717, 153434, 230151, 306868, 383585, 460302, 767170, 920604, 1150755, 1534340, 2301510, 4603020, 4679737, 9359474, 14039211, 18718948, 23398685, 28078422, 46797370, 56156844, 70196055, 93594740, 140392110, 280784220]

約数ペア:

[(1, 280784220), (2, 140392110), (3, 93594740), (4, 70196055), (5, 56156844), (6, 46797370), (10, 28078422), (12, 23398685), (15, 18718948), (20, 14039211), (30, 9359474), (60, 4679737), (61, 4603020), (122, 2301510), (183, 1534340), (244, 1150755), (305, 920604), (366, 767170), (610, 460302), (732, 383585), (915, 306868), (1220, 230151), (1830, 153434), (3660, 76717)]