28679880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1201}}^1$

素因数の和:1414

約数の個数: 64

約数和(自身を含む): 86544000

約数和(自身を除く): 57864120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 398, 597, 796, 995, 1194, 1201, 1592, 1990, 2388, 2402, 2985, 3603, 3980, 4776, 4804, 5970, 6005, 7206, 7960, 9608, 11940, 12010, 14412, 18015, 23880, 24020, 28824, 36030, 48040, 72060, 144120, 238999, 477998, 716997, 955996, 1194995, 1433994, 1911992, 2389990, 2867988, 3584985, 4779980, 5735976, 7169970, 9559960, 14339940, 28679880]

約数ペア:

[(1, 28679880), (2, 14339940), (3, 9559960), (4, 7169970), (5, 5735976), (6, 4779980), (8, 3584985), (10, 2867988), (12, 2389990), (15, 1911992), (20, 1433994), (24, 1194995), (30, 955996), (40, 716997), (60, 477998), (120, 238999), (199, 144120), (398, 72060), (597, 48040), (796, 36030), (995, 28824), (1194, 24020), (1201, 23880), (1592, 18015), (1990, 14412), (2388, 12010), (2402, 11940), (2985, 9608), (3603, 7960), (3980, 7206), (4776, 6005), (4804, 5970)]