19391280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1879}}^1$

素因数の和:1938

約数の個数: 80

約数和(自身を含む): 61543680

約数和(自身を除く): 42152400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 1879, 2064, 2580, 3440, 3758, 5160, 5637, 7516, 9395, 10320, 11274, 15032, 18790, 22548, 28185, 30064, 37580, 45096, 56370, 75160, 80797, 90192, 112740, 150320, 161594, 225480, 242391, 323188, 403985, 450960, 484782, 646376, 807970, 969564, 1211955, 1292752, 1615940, 1939128, 2423910, 3231880, 3878256, 4847820, 6463760, 9695640, 19391280]

約数ペア:

[(1, 19391280), (2, 9695640), (3, 6463760), (4, 4847820), (5, 3878256), (6, 3231880), (8, 2423910), (10, 1939128), (12, 1615940), (15, 1292752), (16, 1211955), (20, 969564), (24, 807970), (30, 646376), (40, 484782), (43, 450960), (48, 403985), (60, 323188), (80, 242391), (86, 225480), (120, 161594), (129, 150320), (172, 112740), (215, 90192), (240, 80797), (258, 75160), (344, 56370), (430, 45096), (516, 37580), (645, 30064), (688, 28185), (860, 22548), (1032, 18790), (1290, 15032), (1720, 11274), (1879, 10320), (2064, 9395), (2580, 7516), (3440, 5637), (3758, 5160)]