213332520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1777771}}^1$

素因数の和:1777785

約数の個数: 32

約数和(自身を含む): 639997920

約数和(自身を除く): 426665400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1777771, 3555542, 5333313, 7111084, 8888855, 10666626, 14222168, 17777710, 21333252, 26666565, 35555420, 42666504, 53333130, 71110840, 106666260, 213332520]

約数ペア:

[(1, 213332520), (2, 106666260), (3, 71110840), (4, 53333130), (5, 42666504), (6, 35555420), (8, 26666565), (10, 21333252), (12, 17777710), (15, 14222168), (20, 10666626), (24, 8888855), (30, 7111084), (40, 5333313), (60, 3555542), (120, 1777771)]