1280040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{10667}}^1$

素因数の和:10681

約数の個数: 32

約数和(自身を含む): 3840480

約数和(自身を除く): 2560440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 10667, 21334, 32001, 42668, 53335, 64002, 85336, 106670, 128004, 160005, 213340, 256008, 320010, 426680, 640020, 1280040]

約数ペア:

[(1, 1280040), (2, 640020), (3, 426680), (4, 320010), (5, 256008), (6, 213340), (8, 160005), (10, 128004), (12, 106670), (15, 85336), (20, 64002), (24, 53335), (30, 42668), (40, 32001), (60, 21334), (120, 10667)]