78551680

素因数分解:

$2^7\times 5^1\times {\mathrm{139}}^1\times {\mathrm{883}}^1$

素因数の和:1041

約数の個数: 64

約数和(自身を含む): 189352800

約数和(自身を除く): 110801120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 278, 320, 556, 640, 695, 883, 1112, 1390, 1766, 2224, 2780, 3532, 4415, 4448, 5560, 7064, 8830, 8896, 11120, 14128, 17660, 17792, 22240, 28256, 35320, 44480, 56512, 70640, 88960, 113024, 122737, 141280, 245474, 282560, 490948, 565120, 613685, 981896, 1227370, 1963792, 2454740, 3927584, 4909480, 7855168, 9818960, 15710336, 19637920, 39275840, 78551680]

約数ペア:

[(1, 78551680), (2, 39275840), (4, 19637920), (5, 15710336), (8, 9818960), (10, 7855168), (16, 4909480), (20, 3927584), (32, 2454740), (40, 1963792), (64, 1227370), (80, 981896), (128, 613685), (139, 565120), (160, 490948), (278, 282560), (320, 245474), (556, 141280), (640, 122737), (695, 113024), (883, 88960), (1112, 70640), (1390, 56512), (1766, 44480), (2224, 35320), (2780, 28256), (3532, 22240), (4415, 17792), (4448, 17660), (5560, 14128), (7064, 11120), (8830, 8896)]