1252980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{6961}}^1$

素因数の和:6976

約数の個数: 36

約数和(自身を含む): 3801252

約数和(自身を除く): 2548272

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 6961, 13922, 20883, 27844, 34805, 41766, 62649, 69610, 83532, 104415, 125298, 139220, 208830, 250596, 313245, 417660, 626490, 1252980]

約数ペア:

[(1, 1252980), (2, 626490), (3, 417660), (4, 313245), (5, 250596), (6, 208830), (9, 139220), (10, 125298), (12, 104415), (15, 83532), (18, 69610), (20, 62649), (30, 41766), (36, 34805), (45, 27844), (60, 20883), (90, 13922), (180, 6961)]