12954780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71971}}^1$

素因数の和:71986

約数の個数: 36

約数和(自身を含む): 39296712

約数和(自身を除く): 26341932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 71971, 143942, 215913, 287884, 359855, 431826, 647739, 719710, 863652, 1079565, 1295478, 1439420, 2159130, 2590956, 3238695, 4318260, 6477390, 12954780]

約数ペア:

[(1, 12954780), (2, 6477390), (3, 4318260), (4, 3238695), (5, 2590956), (6, 2159130), (9, 1439420), (10, 1295478), (12, 1079565), (15, 863652), (18, 719710), (20, 647739), (30, 431826), (36, 359855), (45, 287884), (60, 215913), (90, 143942), (180, 71971)]