19871760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82799}}^1$

素因数の和:82815

約数の個数: 40

約数和(自身を含む): 61603200

約数和(自身を除く): 41731440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82799, 165598, 248397, 331196, 413995, 496794, 662392, 827990, 993588, 1241985, 1324784, 1655980, 1987176, 2483970, 3311960, 3974352, 4967940, 6623920, 9935880, 19871760]

約数ペア:

[(1, 19871760), (2, 9935880), (3, 6623920), (4, 4967940), (5, 3974352), (6, 3311960), (8, 2483970), (10, 1987176), (12, 1655980), (15, 1324784), (16, 1241985), (20, 993588), (24, 827990), (30, 662392), (40, 496794), (48, 413995), (60, 331196), (80, 248397), (120, 165598), (240, 82799)]