642120840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{1783669}}^1$

素因数の和:1783686

約数の個数: 48

約数和(自身を含む): 2086893900

約数和(自身を除く): 1444773060

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, 1783669, 3567338, 5351007, 7134676, 8918345, 10702014, 14269352, 16053021, 17836690, 21404028, 26755035, 32106042, 35673380, 42808056, 53510070, 64212084, 71346760, 80265105, 107020140, 128424168, 160530210, 214040280, 321060420, 642120840]

約数ペア:

[(1, 642120840), (2, 321060420), (3, 214040280), (4, 160530210), (5, 128424168), (6, 107020140), (8, 80265105), (9, 71346760), (10, 64212084), (12, 53510070), (15, 42808056), (18, 35673380), (20, 32106042), (24, 26755035), (30, 21404028), (36, 17836690), (40, 16053021), (45, 14269352), (60, 10702014), (72, 8918345), (90, 7134676), (120, 5351007), (180, 3567338), (360, 1783669)]