1998787680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{5011}}^1$

素因数の和:5309

約数の個数: 144

約数和(自身を含む): 6846853104

約数和(自身を除く): 4848065424

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 277, 288, 360, 480, 554, 720, 831, 1108, 1385, 1440, 1662, 2216, 2493, 2770, 3324, 4155, 4432, 4986, 5011, 5540, 6648, 8310, 8864, 9972, 10022, 11080, 12465, 13296, 15033, 16620, 19944, 20044, 22160, 24930, 25055, 26592, 30066, 33240, 39888, 40088, 44320, 45099, 49860, 50110, 60132, 66480, 75165, 79776, 80176, 90198, 99720, 100220, 120264, 132960, 150330, 160352, 180396, 199440, 200440, 225495, 240528, 300660, 360792, 398880, 400880, 450990, 481056, 601320, 721584, 801760, 901980, 1202640, 1388047, 1443168, 1803960, 2405280, 2776094, 3607920, 4164141, 5552188, 6940235, 7215840, 8328282, 11104376, 12492423, 13880470, 16656564, 20820705, 22208752, 24984846, 27760940, 33313128, 41641410, 44417504, 49969692, 55521880, 62462115, 66626256, 83282820, 99939384, 111043760, 124924230, 133252512, 166565640, 199878768, 222087520, 249848460, 333131280, 399757536, 499696920, 666262560, 999393840, 1998787680]

約数ペア:

[(1, 1998787680), (2, 999393840), (3, 666262560), (4, 499696920), (5, 399757536), (6, 333131280), (8, 249848460), (9, 222087520), (10, 199878768), (12, 166565640), (15, 133252512), (16, 124924230), (18, 111043760), (20, 99939384), (24, 83282820), (30, 66626256), (32, 62462115), (36, 55521880), (40, 49969692), (45, 44417504), (48, 41641410), (60, 33313128), (72, 27760940), (80, 24984846), (90, 22208752), (96, 20820705), (120, 16656564), (144, 13880470), (160, 12492423), (180, 11104376), (240, 8328282), (277, 7215840), (288, 6940235), (360, 5552188), (480, 4164141), (554, 3607920), (720, 2776094), (831, 2405280), (1108, 1803960), (1385, 1443168), (1440, 1388047), (1662, 1202640), (2216, 901980), (2493, 801760), (2770, 721584), (3324, 601320), (4155, 481056), (4432, 450990), (4986, 400880), (5011, 398880), (5540, 360792), (6648, 300660), (8310, 240528), (8864, 225495), (9972, 200440), (10022, 199440), (11080, 180396), (12465, 160352), (13296, 150330), (15033, 132960), (16620, 120264), (19944, 100220), (20044, 99720), (22160, 90198), (24930, 80176), (25055, 79776), (26592, 75165), (30066, 66480), (33240, 60132), (39888, 50110), (40088, 49860), (44320, 45099)]