13457520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{18691}}^1$

素因数の和:18710

約数の個数: 60

約数和(自身を含む): 45197256

約数和(自身を除く): 31739736

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 18691, 37382, 56073, 74764, 93455, 112146, 149528, 168219, 186910, 224292, 280365, 299056, 336438, 373820, 448584, 560730, 672876, 747640, 841095, 897168, 1121460, 1345752, 1495280, 1682190, 2242920, 2691504, 3364380, 4485840, 6728760, 13457520]

約数ペア:

[(1, 13457520), (2, 6728760), (3, 4485840), (4, 3364380), (5, 2691504), (6, 2242920), (8, 1682190), (9, 1495280), (10, 1345752), (12, 1121460), (15, 897168), (16, 841095), (18, 747640), (20, 672876), (24, 560730), (30, 448584), (36, 373820), (40, 336438), (45, 299056), (48, 280365), (60, 224292), (72, 186910), (80, 168219), (90, 149528), (120, 112146), (144, 93455), (180, 74764), (240, 56073), (360, 37382), (720, 18691)]