30640540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{11519}}^1$

素因数の和:11554

約数の個数: 48

約数和(自身を含む): 77414400

約数和(自身を除く): 46773860

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 11519, 23038, 46076, 57595, 80633, 115190, 161266, 218861, 230380, 322532, 403165, 437722, 806330, 875444, 1094305, 1532027, 1612660, 2188610, 3064054, 4377220, 6128108, 7660135, 15320270, 30640540]

約数ペア:

[(1, 30640540), (2, 15320270), (4, 7660135), (5, 6128108), (7, 4377220), (10, 3064054), (14, 2188610), (19, 1612660), (20, 1532027), (28, 1094305), (35, 875444), (38, 806330), (70, 437722), (76, 403165), (95, 322532), (133, 230380), (140, 218861), (190, 161266), (266, 115190), (380, 80633), (532, 57595), (665, 46076), (1330, 23038), (2660, 11519)]