78448140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{11779}}^1$

素因数の和:11831

約数の個数: 72

約数和(自身を含む): 244411440

約数和(自身を除く): 165963300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 11779, 23558, 35337, 47116, 58895, 70674, 106011, 117790, 141348, 176685, 212022, 235580, 353370, 424044, 435823, 530055, 706740, 871646, 1060110, 1307469, 1743292, 2120220, 2179115, 2614938, 3922407, 4358230, 5229876, 6537345, 7844814, 8716460, 13074690, 15689628, 19612035, 26149380, 39224070, 78448140]

約数ペア:

[(1, 78448140), (2, 39224070), (3, 26149380), (4, 19612035), (5, 15689628), (6, 13074690), (9, 8716460), (10, 7844814), (12, 6537345), (15, 5229876), (18, 4358230), (20, 3922407), (30, 2614938), (36, 2179115), (37, 2120220), (45, 1743292), (60, 1307469), (74, 1060110), (90, 871646), (111, 706740), (148, 530055), (180, 435823), (185, 424044), (222, 353370), (333, 235580), (370, 212022), (444, 176685), (555, 141348), (666, 117790), (740, 106011), (1110, 70674), (1332, 58895), (1665, 47116), (2220, 35337), (3330, 23558), (6660, 11779)]