72711180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{403951}}^1$

素因数の和:403966

約数の個数: 36

約数和(自身を含む): 220557792

約数和(自身を除く): 147846612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 403951, 807902, 1211853, 1615804, 2019755, 2423706, 3635559, 4039510, 4847412, 6059265, 7271118, 8079020, 12118530, 14542236, 18177795, 24237060, 36355590, 72711180]

約数ペア:

[(1, 72711180), (2, 36355590), (3, 24237060), (4, 18177795), (5, 14542236), (6, 12118530), (9, 8079020), (10, 7271118), (12, 6059265), (15, 4847412), (18, 4039510), (20, 3635559), (30, 2423706), (36, 2019755), (45, 1615804), (60, 1211853), (90, 807902), (180, 403951)]