80016840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{222269}}^1$

素因数の和:222286

約数の個数: 48

約数和(自身を含む): 260055900

約数和(自身を除く): 180039060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 222269, 444538, 666807, 889076, 1111345, 1333614, 1778152, 2000421, 2222690, 2667228, 3334035, 4000842, 4445380, 5334456, 6668070, 8001684, 8890760, 10002105, 13336140, 16003368, 20004210, 26672280, 40008420, 80016840]

約数ペア:

[(1, 80016840), (2, 40008420), (3, 26672280), (4, 20004210), (5, 16003368), (6, 13336140), (8, 10002105), (9, 8890760), (10, 8001684), (12, 6668070), (15, 5334456), (18, 4445380), (20, 4000842), (24, 3334035), (30, 2667228), (36, 2222690), (40, 2000421), (45, 1778152), (60, 1333614), (72, 1111345), (90, 889076), (120, 666807), (180, 444538), (360, 222269)]