80720040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{672667}}^1$

素因数の和:672681

約数の個数: 32

約数和(自身を含む): 242160480

約数和(自身を除く): 161440440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 672667, 1345334, 2018001, 2690668, 3363335, 4036002, 5381336, 6726670, 8072004, 10090005, 13453340, 16144008, 20180010, 26906680, 40360020, 80720040]

約数ペア:

[(1, 80720040), (2, 40360020), (3, 26906680), (4, 20180010), (5, 16144008), (6, 13453340), (8, 10090005), (10, 8072004), (12, 6726670), (15, 5381336), (20, 4036002), (24, 3363335), (30, 2690668), (40, 2018001), (60, 1345334), (120, 672667)]