28091640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1787}}^1$

素因数の和:1932

約数の個数: 64

約数和(自身を含む): 84965760

約数和(自身を除く): 56874120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1787, 1965, 2620, 3144, 3574, 3930, 5240, 5361, 7148, 7860, 8935, 10722, 14296, 15720, 17870, 21444, 26805, 35740, 42888, 53610, 71480, 107220, 214440, 234097, 468194, 702291, 936388, 1170485, 1404582, 1872776, 2340970, 2809164, 3511455, 4681940, 5618328, 7022910, 9363880, 14045820, 28091640]

約数ペア:

[(1, 28091640), (2, 14045820), (3, 9363880), (4, 7022910), (5, 5618328), (6, 4681940), (8, 3511455), (10, 2809164), (12, 2340970), (15, 1872776), (20, 1404582), (24, 1170485), (30, 936388), (40, 702291), (60, 468194), (120, 234097), (131, 214440), (262, 107220), (393, 71480), (524, 53610), (655, 42888), (786, 35740), (1048, 26805), (1310, 21444), (1572, 17870), (1787, 15720), (1965, 14296), (2620, 10722), (3144, 8935), (3574, 7860), (3930, 7148), (5240, 5361)]