81889600

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:193

約数の個数: 168

約数和(自身を含む): 225763328

約数和(自身を除く): 143873728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 64, 65, 80, 100, 104, 124, 127, 130, 155, 160, 200, 208, 248, 254, 260, 310, 320, 325, 400, 403, 416, 496, 508, 520, 620, 635, 650, 775, 800, 806, 832, 992, 1016, 1040, 1240, 1270, 1300, 1550, 1600, 1612, 1651, 1984, 2015, 2032, 2080, 2480, 2540, 2600, 3100, 3175, 3224, 3302, 3937, 4030, 4064, 4160, 4960, 5080, 5200, 6200, 6350, 6448, 6604, 7874, 8060, 8128, 8255, 9920, 10075, 10160, 10400, 12400, 12700, 12896, 13208, 15748, 16120, 16510, 19685, 20150, 20320, 20800, 24800, 25400, 25792, 26416, 31496, 32240, 33020, 39370, 40300, 40640, 41275, 49600, 50800, 51181, 52832, 62992, 64480, 66040, 78740, 80600, 82550, 98425, 101600, 102362, 105664, 125984, 128960, 132080, 157480, 161200, 165100, 196850, 203200, 204724, 251968, 255905, 264160, 314960, 322400, 330200, 393700, 409448, 511810, 528320, 629920, 644800, 660400, 787400, 818896, 1023620, 1259840, 1279525, 1320800, 1574800, 1637792, 2047240, 2559050, 2641600, 3149600, 3275584, 4094480, 5118100, 6299200, 8188960, 10236200, 16377920, 20472400, 40944800, 81889600]

約数ペア:

[(1, 81889600), (2, 40944800), (4, 20472400), (5, 16377920), (8, 10236200), (10, 8188960), (13, 6299200), (16, 5118100), (20, 4094480), (25, 3275584), (26, 3149600), (31, 2641600), (32, 2559050), (40, 2047240), (50, 1637792), (52, 1574800), (62, 1320800), (64, 1279525), (65, 1259840), (80, 1023620), (100, 818896), (104, 787400), (124, 660400), (127, 644800), (130, 629920), (155, 528320), (160, 511810), (200, 409448), (208, 393700), (248, 330200), (254, 322400), (260, 314960), (310, 264160), (320, 255905), (325, 251968), (400, 204724), (403, 203200), (416, 196850), (496, 165100), (508, 161200), (520, 157480), (620, 132080), (635, 128960), (650, 125984), (775, 105664), (800, 102362), (806, 101600), (832, 98425), (992, 82550), (1016, 80600), (1040, 78740), (1240, 66040), (1270, 64480), (1300, 62992), (1550, 52832), (1600, 51181), (1612, 50800), (1651, 49600), (1984, 41275), (2015, 40640), (2032, 40300), (2080, 39370), (2480, 33020), (2540, 32240), (2600, 31496), (3100, 26416), (3175, 25792), (3224, 25400), (3302, 24800), (3937, 20800), (4030, 20320), (4064, 20150), (4160, 19685), (4960, 16510), (5080, 16120), (5200, 15748), (6200, 13208), (6350, 12896), (6448, 12700), (6604, 12400), (7874, 10400), (8060, 10160), (8128, 10075), (8255, 9920)]