209459760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{872749}}^1$

素因数の和:872765

約数の個数: 40

約数和(自身を含む): 649326000

約数和(自身を除く): 439866240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 872749, 1745498, 2618247, 3490996, 4363745, 5236494, 6981992, 8727490, 10472988, 13091235, 13963984, 17454980, 20945976, 26182470, 34909960, 41891952, 52364940, 69819920, 104729880, 209459760]

約数ペア:

[(1, 209459760), (2, 104729880), (3, 69819920), (4, 52364940), (5, 41891952), (6, 34909960), (8, 26182470), (10, 20945976), (12, 17454980), (15, 13963984), (16, 13091235), (20, 10472988), (24, 8727490), (30, 6981992), (40, 5236494), (48, 4363745), (60, 3490996), (80, 2618247), (120, 1745498), (240, 872749)]