81078960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1153}}^1$

素因数の和:1462

約数の個数: 80

約数和(自身を含む): 252421344

約数和(自身を除く): 171342384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 293, 586, 879, 1153, 1172, 1465, 1758, 2306, 2344, 2930, 3459, 3516, 4395, 4612, 4688, 5765, 5860, 6918, 7032, 8790, 9224, 11530, 11720, 13836, 14064, 17295, 17580, 18448, 23060, 23440, 27672, 34590, 35160, 46120, 55344, 69180, 70320, 92240, 138360, 276720, 337829, 675658, 1013487, 1351316, 1689145, 2026974, 2702632, 3378290, 4053948, 5067435, 5405264, 6756580, 8107896, 10134870, 13513160, 16215792, 20269740, 27026320, 40539480, 81078960]

約数ペア:

[(1, 81078960), (2, 40539480), (3, 27026320), (4, 20269740), (5, 16215792), (6, 13513160), (8, 10134870), (10, 8107896), (12, 6756580), (15, 5405264), (16, 5067435), (20, 4053948), (24, 3378290), (30, 2702632), (40, 2026974), (48, 1689145), (60, 1351316), (80, 1013487), (120, 675658), (240, 337829), (293, 276720), (586, 138360), (879, 92240), (1153, 70320), (1172, 69180), (1465, 55344), (1758, 46120), (2306, 35160), (2344, 34590), (2930, 27672), (3459, 23440), (3516, 23060), (4395, 18448), (4612, 17580), (4688, 17295), (5765, 14064), (5860, 13836), (6918, 11720), (7032, 11530), (8790, 9224)]