51591680

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{2879}}^1$

素因数の和:2909

約数の個数: 80

約数和(自身を含む): 141419520

約数和(自身を除く): 89827840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 2879, 3584, 4480, 5758, 8960, 11516, 14395, 17920, 20153, 23032, 28790, 40306, 46064, 57580, 80612, 92128, 100765, 115160, 161224, 184256, 201530, 230320, 322448, 368512, 403060, 460640, 644896, 737024, 806120, 921280, 1289792, 1474048, 1612240, 1842560, 2579584, 3224480, 3685120, 5159168, 6448960, 7370240, 10318336, 12897920, 25795840, 51591680]

約数ペア:

[(1, 51591680), (2, 25795840), (4, 12897920), (5, 10318336), (7, 7370240), (8, 6448960), (10, 5159168), (14, 3685120), (16, 3224480), (20, 2579584), (28, 1842560), (32, 1612240), (35, 1474048), (40, 1289792), (56, 921280), (64, 806120), (70, 737024), (80, 644896), (112, 460640), (128, 403060), (140, 368512), (160, 322448), (224, 230320), (256, 201530), (280, 184256), (320, 161224), (448, 115160), (512, 100765), (560, 92128), (640, 80612), (896, 57580), (1120, 46064), (1280, 40306), (1792, 28790), (2240, 23032), (2560, 20153), (2879, 17920), (3584, 14395), (4480, 11516), (5758, 8960)]