81311520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{169399}}^1$

素因数の和:169417

約数の個数: 48

約数和(自身を含む): 256132800

約数和(自身を除く): 174821280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 169399, 338798, 508197, 677596, 846995, 1016394, 1355192, 1693990, 2032788, 2540985, 2710384, 3387980, 4065576, 5081970, 5420768, 6775960, 8131152, 10163940, 13551920, 16262304, 20327880, 27103840, 40655760, 81311520]

約数ペア:

[(1, 81311520), (2, 40655760), (3, 27103840), (4, 20327880), (5, 16262304), (6, 13551920), (8, 10163940), (10, 8131152), (12, 6775960), (15, 5420768), (16, 5081970), (20, 4065576), (24, 3387980), (30, 2710384), (32, 2540985), (40, 2032788), (48, 1693990), (60, 1355192), (80, 1016394), (96, 846995), (120, 677596), (160, 508197), (240, 338798), (480, 169399)]