128910900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{241}}^1\times {\mathrm{1783}}^1$

素因数の和:2041

約数の個数: 72

約数和(自身を含む): 374739904

約数和(自身を除く): 245829004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 241, 300, 482, 723, 964, 1205, 1446, 1783, 2410, 2892, 3566, 3615, 4820, 5349, 6025, 7132, 7230, 8915, 10698, 12050, 14460, 17830, 18075, 21396, 24100, 26745, 35660, 36150, 44575, 53490, 72300, 89150, 106980, 133725, 178300, 267450, 429703, 534900, 859406, 1289109, 1718812, 2148515, 2578218, 4297030, 5156436, 6445545, 8594060, 10742575, 12891090, 21485150, 25782180, 32227725, 42970300, 64455450, 128910900]

約数ペア:

[(1, 128910900), (2, 64455450), (3, 42970300), (4, 32227725), (5, 25782180), (6, 21485150), (10, 12891090), (12, 10742575), (15, 8594060), (20, 6445545), (25, 5156436), (30, 4297030), (50, 2578218), (60, 2148515), (75, 1718812), (100, 1289109), (150, 859406), (241, 534900), (300, 429703), (482, 267450), (723, 178300), (964, 133725), (1205, 106980), (1446, 89150), (1783, 72300), (2410, 53490), (2892, 44575), (3566, 36150), (3615, 35660), (4820, 26745), (5349, 24100), (6025, 21396), (7132, 18075), (7230, 17830), (8915, 14460), (10698, 12050)]