72480160

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3259}}^1$

素因数の和:3413

約数の個数: 48

約数和(自身を含む): 172519200

約数和(自身を除く): 100039040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2780, 3259, 4448, 5560, 6518, 11120, 13036, 16295, 22240, 26072, 32590, 52144, 65180, 104288, 130360, 260720, 453001, 521440, 906002, 1812004, 2265005, 3624008, 4530010, 7248016, 9060020, 14496032, 18120040, 36240080, 72480160]

約数ペア:

[(1, 72480160), (2, 36240080), (4, 18120040), (5, 14496032), (8, 9060020), (10, 7248016), (16, 4530010), (20, 3624008), (32, 2265005), (40, 1812004), (80, 906002), (139, 521440), (160, 453001), (278, 260720), (556, 130360), (695, 104288), (1112, 65180), (1390, 52144), (2224, 32590), (2780, 26072), (3259, 22240), (4448, 16295), (5560, 13036), (6518, 11120)]