72812340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{404513}}^1$

素因数の和:404528

約数の個数: 36

約数和(自身を含む): 220864644

約数和(自身を除く): 148052304

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 404513, 809026, 1213539, 1618052, 2022565, 2427078, 3640617, 4045130, 4854156, 6067695, 7281234, 8090260, 12135390, 14562468, 18203085, 24270780, 36406170, 72812340]

約数ペア:

[(1, 72812340), (2, 36406170), (3, 24270780), (4, 18203085), (5, 14562468), (6, 12135390), (9, 8090260), (10, 7281234), (12, 6067695), (15, 4854156), (18, 4045130), (20, 3640617), (30, 2427078), (36, 2022565), (45, 1618052), (60, 1213539), (90, 809026), (180, 404513)]