131265720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{364627}}^1$

素因数の和:364644

約数の個数: 48

約数和(自身を含む): 426614760

約数和(自身を除く): 295349040

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, 364627, 729254, 1093881, 1458508, 1823135, 2187762, 2917016, 3281643, 3646270, 4375524, 5469405, 6563286, 7292540, 8751048, 10938810, 13126572, 14585080, 16408215, 21877620, 26253144, 32816430, 43755240, 65632860, 131265720]

約数ペア:

[(1, 131265720), (2, 65632860), (3, 43755240), (4, 32816430), (5, 26253144), (6, 21877620), (8, 16408215), (9, 14585080), (10, 13126572), (12, 10938810), (15, 8751048), (18, 7292540), (20, 6563286), (24, 5469405), (30, 4375524), (36, 3646270), (40, 3281643), (45, 2917016), (60, 2187762), (72, 1823135), (90, 1458508), (120, 1093881), (180, 729254), (360, 364627)]