17988780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{6379}}^1$

素因数の和:6438

約数の個数: 48

約数和(自身を含む): 51448320

約数和(自身を除く): 33459540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 6379, 12758, 19137, 25516, 31895, 38274, 63790, 76548, 95685, 127580, 191370, 299813, 382740, 599626, 899439, 1199252, 1499065, 1798878, 2998130, 3597756, 4497195, 5996260, 8994390, 17988780]

約数ペア:

[(1, 17988780), (2, 8994390), (3, 5996260), (4, 4497195), (5, 3597756), (6, 2998130), (10, 1798878), (12, 1499065), (15, 1199252), (20, 899439), (30, 599626), (47, 382740), (60, 299813), (94, 191370), (141, 127580), (188, 95685), (235, 76548), (282, 63790), (470, 38274), (564, 31895), (705, 25516), (940, 19137), (1410, 12758), (2820, 6379)]