28007640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{25933}}^1$

素因数の和:25953

約数の個数: 64

約数和(自身を含む): 93362400

約数和(自身を除く): 65354760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 25933, 51866, 77799, 103732, 129665, 155598, 207464, 233397, 259330, 311196, 388995, 466794, 518660, 622392, 700191, 777990, 933588, 1037320, 1166985, 1400382, 1555980, 1867176, 2333970, 2800764, 3111960, 3500955, 4667940, 5601528, 7001910, 9335880, 14003820, 28007640]

約数ペア:

[(1, 28007640), (2, 14003820), (3, 9335880), (4, 7001910), (5, 5601528), (6, 4667940), (8, 3500955), (9, 3111960), (10, 2800764), (12, 2333970), (15, 1867176), (18, 1555980), (20, 1400382), (24, 1166985), (27, 1037320), (30, 933588), (36, 777990), (40, 700191), (45, 622392), (54, 518660), (60, 466794), (72, 388995), (90, 311196), (108, 259330), (120, 233397), (135, 207464), (180, 155598), (216, 129665), (270, 103732), (360, 77799), (540, 51866), (1080, 25933)]