72111420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{400619}}^1$

素因数の和:400634

約数の個数: 36

約数和(自身を含む): 218738520

約数和(自身を除く): 146627100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 400619, 801238, 1201857, 1602476, 2003095, 2403714, 3605571, 4006190, 4807428, 6009285, 7211142, 8012380, 12018570, 14422284, 18027855, 24037140, 36055710, 72111420]

約数ペア:

[(1, 72111420), (2, 36055710), (3, 24037140), (4, 18027855), (5, 14422284), (6, 12018570), (9, 8012380), (10, 7211142), (12, 6009285), (15, 4807428), (18, 4006190), (20, 3605571), (30, 2403714), (36, 2003095), (45, 1602476), (60, 1201857), (90, 801238), (180, 400619)]