221555280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{923147}}^1$

素因数の和:923163

約数の個数: 40

約数和(自身を含む): 686822112

約数和(自身を除く): 465266832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 923147, 1846294, 2769441, 3692588, 4615735, 5538882, 7385176, 9231470, 11077764, 13847205, 14770352, 18462940, 22155528, 27694410, 36925880, 44311056, 55388820, 73851760, 110777640, 221555280]

約数ペア:

[(1, 221555280), (2, 110777640), (3, 73851760), (4, 55388820), (5, 44311056), (6, 36925880), (8, 27694410), (10, 22155528), (12, 18462940), (15, 14770352), (16, 13847205), (20, 11077764), (24, 9231470), (30, 7385176), (40, 5538882), (48, 4615735), (60, 3692588), (80, 2769441), (120, 1846294), (240, 923147)]