66407940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6961}}^1$

素因数の和:7029

約数の個数: 72

約数和(自身を含む): 205267608

約数和(自身を除く): 138859668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 6961, 9540, 13922, 20883, 27844, 34805, 41766, 62649, 69610, 83532, 104415, 125298, 139220, 208830, 250596, 313245, 368933, 417660, 626490, 737866, 1106799, 1252980, 1475732, 1844665, 2213598, 3320397, 3689330, 4427196, 5533995, 6640794, 7378660, 11067990, 13281588, 16601985, 22135980, 33203970, 66407940]

約数ペア:

[(1, 66407940), (2, 33203970), (3, 22135980), (4, 16601985), (5, 13281588), (6, 11067990), (9, 7378660), (10, 6640794), (12, 5533995), (15, 4427196), (18, 3689330), (20, 3320397), (30, 2213598), (36, 1844665), (45, 1475732), (53, 1252980), (60, 1106799), (90, 737866), (106, 626490), (159, 417660), (180, 368933), (212, 313245), (265, 250596), (318, 208830), (477, 139220), (530, 125298), (636, 104415), (795, 83532), (954, 69610), (1060, 62649), (1590, 41766), (1908, 34805), (2385, 27844), (3180, 20883), (4770, 13922), (6961, 9540)]