130831920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{181711}}^1$

素因数の和:181730

約数の個数: 60

約数和(自身を含む): 439379616

約数和(自身を除く): 308547696

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, 181711, 363422, 545133, 726844, 908555, 1090266, 1453688, 1635399, 1817110, 2180532, 2725665, 2907376, 3270798, 3634220, 4361064, 5451330, 6541596, 7268440, 8176995, 8722128, 10902660, 13083192, 14536880, 16353990, 21805320, 26166384, 32707980, 43610640, 65415960, 130831920]

約数ペア:

[(1, 130831920), (2, 65415960), (3, 43610640), (4, 32707980), (5, 26166384), (6, 21805320), (8, 16353990), (9, 14536880), (10, 13083192), (12, 10902660), (15, 8722128), (16, 8176995), (18, 7268440), (20, 6541596), (24, 5451330), (30, 4361064), (36, 3634220), (40, 3270798), (45, 2907376), (48, 2725665), (60, 2180532), (72, 1817110), (80, 1635399), (90, 1453688), (120, 1090266), (144, 908555), (180, 726844), (240, 545133), (360, 363422), (720, 181711)]