78186780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{62053}}^1$

素因数の和:62075

約数の個数: 72

約数和(自身を含む): 271051872

約数和(自身を除く): 192865092

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 62053, 124106, 186159, 248212, 310265, 372318, 434371, 558477, 620530, 744636, 868742, 930795, 1116954, 1241060, 1303113, 1737484, 1861590, 2171855, 2233908, 2606226, 2792385, 3723180, 3909339, 4343710, 5212452, 5584770, 6515565, 7818678, 8687420, 11169540, 13031130, 15637356, 19546695, 26062260, 39093390, 78186780]

約数ペア:

[(1, 78186780), (2, 39093390), (3, 26062260), (4, 19546695), (5, 15637356), (6, 13031130), (7, 11169540), (9, 8687420), (10, 7818678), (12, 6515565), (14, 5584770), (15, 5212452), (18, 4343710), (20, 3909339), (21, 3723180), (28, 2792385), (30, 2606226), (35, 2233908), (36, 2171855), (42, 1861590), (45, 1737484), (60, 1303113), (63, 1241060), (70, 1116954), (84, 930795), (90, 868742), (105, 744636), (126, 620530), (140, 558477), (180, 434371), (210, 372318), (252, 310265), (315, 248212), (420, 186159), (630, 124106), (1260, 62053)]