78869220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{5237}}^1$

素因数の和:5500

約数の個数: 48

約数和(自身を含む): 221755968

約数和(自身を除く): 142886748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 753, 1004, 1255, 1506, 2510, 3012, 3765, 5020, 5237, 7530, 10474, 15060, 15711, 20948, 26185, 31422, 52370, 62844, 78555, 104740, 157110, 314220, 1314487, 2628974, 3943461, 5257948, 6572435, 7886922, 13144870, 15773844, 19717305, 26289740, 39434610, 78869220]

約数ペア:

[(1, 78869220), (2, 39434610), (3, 26289740), (4, 19717305), (5, 15773844), (6, 13144870), (10, 7886922), (12, 6572435), (15, 5257948), (20, 3943461), (30, 2628974), (60, 1314487), (251, 314220), (502, 157110), (753, 104740), (1004, 78555), (1255, 62844), (1506, 52370), (2510, 31422), (3012, 26185), (3765, 20948), (5020, 15711), (5237, 15060), (7530, 10474)]